How many movies have Roy Knyrim and William Decker collaborated on?

They have worked on 2 movies together! Their first movie together was The Toxic Avenger Part II (1989) and was their highest rated movie together. They have not worked together since The Toxic Avenger Part III: The Last Temptation of Toxie (1989).

Crew
Special Effects Makeup Artist
Role
Apocalypse Inc. Executive