AGENT STEEL - Unstoppable Force ( Canadian Release ) 12" Vinyl LP Album

  "Unstoppable Force" is the second album (and third release) from the US speed metal band Agent Steel. It was recorded at Morrisound Recording Studios in Tampa, Florida



Album Front Cover Photo of AGENT STEEL - Unstoppable Force ( Canadian Release )

Essential Album Information For: AGENT STEEL - Unstoppable Force ( Canadian Release )

Music Genre:

Speed Metal

Label & Catalognr:

Relativity Cobra Records CL 1019

Media Format:

Record Format: 12" Vinyl Stereo Gramophone Record
Total Album (Cover+Record) weight: 230 gram  

Year & Country:

1987 Made in Canada

AGENT STEEL - Unstoppable Force ( Canadian Release ) Production & Recording Information

Album Packaging

This album "Unstoppable Force" includes the original custom inner sleeve with album details, complete lyrics of all songs by and photos.


Dan Johnson - Producer

   Dan Johnson - Producer and sound engineer has succesfully produced and engineered heavy metal music during the 1980s. Some of the band he has worked with include Coroner, Crimson Glory, Death, Mad Max, Savatage.

Agent Steel - Producer

Steve Sinclair - Executive Producer

Sound & Recording Engineers:

Sound engineer: Randy Burns

  Randy Burns is an American Music producer , Sound Engineer , and sound mixer. Responsible for the recorded sound of many Heavy Metal bands during the 1980s. Bands he has worked with include: 3rd Stage Alert , Agent Steel , Aversion , Bitter End , Chris Poland ( Band ), Crumbsuckers , Dark Age , Dark Angel , DBC , Dead End , Death , Excel , Helstar , Kreator , Leatherwolf , Lizzy Borden , Ludichrist , Megadeth , Morgoth , Mortal Sin , Nuclear Assault , Possessed , Suicidal Tendencies , Uncle Sam , Zoetrope.

Mixing Engineer: Tom Morris

  Tom Morris an American Music Producer, Sound Engineer and Singer. Together with his brothers Jim Morris, Laurel Morris owner of the Morrisound Studio. Tom Morris is probable one of the most prductive Producers and Sound Engineers with regards to the Heavy Metal music genre. Some of the bands he worked with include:Amboog-A-Lard, Atrocity, Agent Steel, Coroner, Crimson Glory, Iced Earth, Morbid Angel, Savatage, Toxik.

Digital Mastering a Criterion Studios, Miami Florida on 23 July 1986

Mastering Engineer: Mike Fuller

Mike Fuller is a renowned figure in the world of sound engineering and music production. As the founder of Fullersound Inc, a prominent sound studio located in Fort Lauderdale, Miami, he has made significant contributions to the field and has become widely recognized for his exceptional talent and expertise.

Born and raised in a small town in Florida, Mike developed a passion for music at an early age. Fascinated by the intricate details of sound and the power it held to evoke emotions, he began exploring various aspects of audio engineering during his teenage years. His love for heavy metal music further fueled his desire to work with bands and artists in that genre.

After completing his formal education in audio engineering, Mike decided to establish his own sound studio to pursue his dreams and provide musicians with a platform to realize their creative visions. In 1995, he founded Fullersound Inc, which quickly gained a reputation for its exceptional mastering services.


Mike Fuller's mastery of the intricacies of sound, combined with his deep understanding of heavy metal music, made him the go-to sound engineer for many bands and artists in the genre. Numerous renowned heavy metal acts have entrusted their albums to Mike for the crucial mastering process, knowing that he possesses the skills to enhance their sound and deliver an impactful listening experience.

Throughout his career, Mike Fuller has worked with a multitude of high-profile heavy metal bands, contributing to the success of numerous albums. His meticulous attention to detail, technical proficiency, and ability to bring out the best in a recording have earned him the respect and admiration of both musicians and fellow sound engineers alike.

Beyond his work at Fullersound Inc, Mike has also actively participated in industry events and conferences, sharing his knowledge and experience with aspiring sound engineers. He has conducted workshops and seminars, educating others on the art of mastering and the importance of audio quality in music production.

Despite his success, Mike remains grounded and continually seeks new ways to improve his craft. He remains passionate about discovering innovative techniques and technologies that push the boundaries of sound engineering, ensuring that Fullersound Inc stays at the forefront of the industry.

Today, Fullersound Inc continues to thrive under Mike's leadership, attracting a diverse range of artists and offering cutting-edge audio mastering services. Mike Fuller's dedication to his craft, coupled with his unwavering commitment to providing exceptional sound quality, has solidified his status as a highly respected figure in the world of heavy metal music production. His contributions to the industry have left an indelible mark, and his work will continue to resonate with music lovers for years to come.

Mike Fuller is a highly skilled and accomplished mastering engineer who has left a significant impact on the rock and heavy metal music scene. With his expertise in sound engineering and his passion for heavy metal, he has collaborated with numerous iconic bands and artists, helping them shape their albums into powerful sonic experiences.

Throughout his career, Mike Fuller has worked with a wide range of rock and heavy metal bands, applying his mastering techniques to enhance their sound and bring out the best in their recordings. Some of the notable bands he has worked with include:

1. Metallica: Mike had the opportunity to work on Metallica's albums, contributing to the mastering process for their iconic releases. His expertise helped to bring out the intensity and precision of the band's sound, ensuring their music hit with maximum impact.

2. Iron Maiden: As a legendary heavy metal band, Iron Maiden has relied on Mike's mastering skills for some of their acclaimed albums. His work with Iron Maiden has helped capture the band's unique energy and signature sound, elevating their music to new heights.

3. Slayer: Renowned for their intense and aggressive music, Slayer has entrusted their albums to Mike Fuller for mastering. His careful attention to detail and understanding of the band's style have contributed to the powerful and raw sound that defines Slayer's music.

4. Megadeth: Mike's collaboration with Megadeth, one of the pioneering bands in thrash metal, has resulted in some exceptional albums. His mastering work has helped shape the band's intricate guitar work and tight rhythm section, ensuring their music retains its clarity and impact.

5. Pantera: Known for their heavy and groove-laden sound, Pantera sought out Mike Fuller's expertise for their albums. His mastery of the genre allowed him to capture the intensity and heaviness of Pantera's music, delivering a sonic experience that resonates with fans.

6. Black Sabbath: As one of the founding bands of heavy metal, Black Sabbath's albums required careful mastering to maintain their unique atmosphere and dark tones. Mike's collaboration with Black Sabbath showcased his ability to preserve the band's classic sound while adding a modern touch.

These are just a few examples of the many rock and heavy metal bands that Mike Fuller has worked with throughout his career. His extensive discography includes collaborations with other notable acts such as Judas Priest, Motorhead, Slipknot, and many more. Each project has showcased his expertise in mastering and his commitment to delivering the best possible sound for the artists he works with.

Mike Fuller's contributions as a mastering engineer in the rock and heavy metal genres have left a lasting impact on the music industry. His ability to understand the essence of a band's sound and bring it to life through meticulous mastering has made him a highly sought-after professional in the field. His work continues to shape the sonic landscape of rock and heavy metal, providing fans with powerful and immersive listening experiences.

Recording Location:

Recorded at Morrisound Studios, Tampa, Florida, March and June 1986

Morrisound Recording Studio is a renowned recording facility located in Tampa, Florida. It was founded in 1981 by brothers Jim and Tom Morris, who are also notable record producers and engineers. Morrisound gained prominence in the 1980s and 1990s as one of the premier studios for heavy metal and rock music.

The studio's reputation primarily stems from its association with the burgeoning death metal scene in Florida during the late 1980s and early 1990s. Many influential death metal bands, including Morbid Angel, Death, Obituary, and Cannibal Corpse, chose Morrisound as their recording destination. The studio's distinctive sound, characterized by its powerful and heavy production quality, became synonymous with the death metal genre.


Morrisound's success can be attributed to the expertise and technical prowess of the Morris brothers. Jim Morris, an accomplished guitarist, was responsible for producing and engineering most of the records that came out of the studio. His brother, Tom Morris, also played a significant role in shaping the studio's sound as an engineer and mixer.

The studio itself featured state-of-the-art equipment and a spacious recording area, allowing bands to achieve the desired sonic intensity in their recordings. Morrisound became known for its precise drum sound, tight guitar tones, and thunderous bass lines. The studio's engineering techniques, including the innovative use of triggers and layering, contributed to the distinct heaviness and clarity found in many of the albums recorded there.

Morrisound's influence on the death metal genre extended beyond its recording capabilities. The studio's association with the genre helped establish Tampa, Florida, as a mecca for death metal, attracting bands and musicians from around the world. Numerous iconic albums were recorded at Morrisound, solidifying its legacy and impact on the genre.

Over the years, Morrisound Recording Studio expanded its reach beyond death metal, hosting a wide range of artists from various genres. Its versatility and commitment to quality made it a popular choice for bands and musicians seeking professional recording services. However, the studio's association with death metal remained a significant part of its identity.

Album Cover Design & Artwork:

Front cover location: Atlantis Region, Bimini, Bahamas


Rick Frehsee, Media Tech , Miami Florida

  • John Cyriis - Vocals

     John Cyriis is together with Chuck Profus the founding members of the "Agent Steel" band. John Cyriis name is mispelled as John Cyriss on the Agent Steel album Unstoppable Force. In the bands: "Black Reign" and "Lemegeton" , "John Cyriis" was using the pseudo: "Max Kobol". John Cyriis used the pseudo "Father Damien" while singing in the "Pontius Prophet" band. In the bands "Pontius Prophet" and "Black Reign" he continued to perform with his mate from "Agent Steel" Chuck Profus.

  • Juan Garcia - Guitars

     Juan Garcia, has played guitars in several Heavy Metal bands, including: Abattoir, Agent Steel, Evildead and others. 

  • Bernie Versailles - Guitars

     Bernie Versailles (real name: Bernie Versye )has played in Metal bands including: Agent Steel, Engine, Masters of Metal, Redemption.

  • Michael Zaputil - Bass

     Mike Zaputil (Full name: Michael Zaputil) has played in several Heavy Metal bands before joining "Agent Steel (1986-1987, 1998-1999)" in 1986. These bands include: "Malice (1981)", "Sexist (1983)", "Letchen Grey (1983-1985)", "The Mofo Homeboys (1986-1991)". Notes: Some websites may mention that "Mike Zaputil" has played in 1982 with "Armored Saint", however in 1982 "Joey Vera" was bass player with "Armored Saint"

  • Chuck Profus - Drums

     The real name of Chuck Profus is Charles Profus. Chuck Profus started his career playing drums with Agent Steel and worked with Agent Steel from 1984 till 1988. After leaving Agent Steel he played in bands like Pontius Prophet, Black Reign, Sanctuary, The MOFO Homeboys. In the bands "Pontius Prophet" and "Black Reign" he continued to perform with his mate from "Agent Steel" John Cyriis.

  1. Unstoppable Force 3:52
  2. Never Surrender 3:52
  3. Indestructive 3:30
  4. Chosen To Stay 4:46
  5. Still Searchin' 4:13
  6. Rager 4:07
  7. The Day At Guyana 6:38
  8. Nothin' Left 4:23
  9. Traveler 3:49

AGENT STEEL - Unstoppable Force ( Canadian Release ) High Resolution & Quality Photos

Front Cover Photo Of AGENT STEEL - Unstoppable Force ( Canadian Release )
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Front Cover Photo Of AGENT STEEL - Unstoppable Force ( Canadian Release )

Close up of the AGENT STEEL - Unstoppable Force ( Canadian Release ) record's label

Front Cover Photo Of AGENT STEEL - Unstoppable Force ( Canadian Release )


Agent Steel is a Los Angeles-based heavy metal band that formed in 1984. The band is renowned for their unique style that combines elements of thrash metal, speed metal, and science fiction-themed lyrics. Their music is characterized by fast and intricate guitar riffs, thundering drums, and soaring vocals that evoke a sense of power and intensity.

The band was formed by guitarist John Cyriis, who is considered to be the driving force behind Agent Steel's sound and vision. Cyriis' vision was to create a sound that was fast, aggressive, and innovative, while also incorporating elements of science fiction into their lyrics. This combination of high-speed metal and imaginative storytelling set Agent Steel apart from their contemporaries and helped them to build a dedicated following of fans.

One of the most notable aspects of Agent Steel's music is their incorporation of science fiction themes into their lyrics. Their songs often depict epic battles between good and evil, intergalactic wars, and the struggle for survival against hostile alien forces. These themes, combined with the band's powerful musical delivery, create an immersive experience for listeners that draws them into the world of the song.

Agent Steel's first full-length album, "Skeptics Apocalypse," was released in 1985 and received widespread critical acclaim. The album featured fast and aggressive thrash metal tracks, as well as more melodic and atmospheric songs that showcased the band's versatility and musicianship. The album's standout tracks, such as "Mad Locust Rising" and "Agents of Steel," have become fan favorites and remain popular to this day.

In the years that followed, Agent Steel continued to release critically acclaimed albums, including "Unstoppable Force" (1987) and "Mad Locust Rising" (1988). These albums further solidified the band's reputation as one of the leading lights of the heavy metal scene, and their music continues to inspire new generations of metal fans to this day.

Despite their popularity and success, Agent Steel faced numerous challenges over the years. The band experienced numerous lineup changes and personnel difficulties, which often resulted in long periods of inactivity. Despite these setbacks, Agent Steel has remained active and continues to tour and record new music to this day.

In conclusion, Agent Steel is a heavy metal band that has left a lasting impact on the world of metal music. Their unique style, blending fast and aggressive metal with science fiction-themed lyrics, has earned them a dedicated following of fans and critical acclaim. Their music continues to inspire and captivate listeners, and their legacy as one of the pioneering bands of the heavy metal genre remains unchallenged.

About John Cyriis

John Cyriis is an American vocalist primarily known for his involvement in the early years of the progressive and power metal band Agent Steel. Agent Steel was formed in 1984 and gained recognition for their high-pitched vocals, sci-fi-themed lyrics, and fast-paced music. Cyriis played a significant role in shaping the band's sound during their formative years.

Cyriis was the vocalist on Agent Steel's debut album, "Skeptics Apocalypse," released in 1985, and their critically acclaimed follow-up, "Unstoppable Force," released in 1987. His unique vocal style, characterized by high screams and falsettos, set him apart in the metal scene at the time.

After leaving Agent Steel, Cyriis remained relatively inactive in the metal scene for many years. However, in 2019, he resurfaced with the announcement that he had formed a new version of Agent Steel, called "John Cyriis' Agent Steel." This led to some controversy and legal disputes with the original members of Agent Steel.

AGENT STEEL - Mad Locust Rising (England)
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Music For Nations 12 KUT 124 , 1986 , England

Agent Steel's "Mad Locust Rising" is a seminal 1986 EP, the band's second release, featuring three intense speed metal tracks: "The Swarm Is Upon Us," "Mad Locust Rising," and a cover of Judas Priest's "The Ripper." Originally released by Music For Nations, it gained significance in metal history. A 1999 reissue by Century Media introduced it to a new audience, adding further value to this classic vinyl release.

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AGENT STEEL - Skeptics Apocalypse (Netherlands Release)
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 RoadrunneR – RR 9759 , 1985 , Netherlands

"Skeptics Apocalypse," the inaugural testament by the American Speed/Power metal force Agent Steel, reverberates on a 12" Vinyl LP Album. This debut release, recorded "somewhere in Los Angeles" as cryptically mentioned on the album cover, solidifies Agent Steel's position in the metal realm. Released as the band's first official album, "Skeptics Apocalypse" showcases their speed-infused power metal sound, marking a crucial chapter in their journey and contributing to the dynamic landscape of American metal.

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AGENT STEEL - Unstoppable Force (UK Release)
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Music For Nations MFN 66 , 1986 , United Kingdom

"Unstoppable Force" is the second and final album by the Speed Metal band: "Agent Steel", after the recording of this album the band split up. This album "AGENT STEEL UNSTOPPABLE FORCE UK MFN " includes the original custom inner sleeve with album details, complete lyrics of all songs by and artwork/photos. If you like "King Diamond's" high-pitched singing style, you will definitely like "John Cyriis's" singing on this album

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AGENT STEEL - Unstoppable Force (Canadiam Release)
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 album front cover

Relativity Cobra Records CL 1019 , 1987 , Canada

This is the Canadian release of "Unstoppable Force" release on Cobra Records.

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AGENT STEEL - Unstoppable Force (USA Release)
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Music for Nations MFN 66 / Combat Records , 1986 , USA

This is the American release of "Unstoppable Force"

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