Anecdotes

He was the only actor in Teenage Mutant Ninja Turtles (1990) to both wear the turtle costume and provide the voice for his character (Raphael).

In Teenage Mutant Ninja Turtles: The Movie (1990) in his Raphael costume, he was chasing Casey Jones from the park and he tumbled over the hood of a Taxi, then the scene cut to the passenger in the Taxi asking what that was, the passenger was Josh Pais out of costume.