'Teenage Mutant Ninja Turtles: Mutant Mayhem' trivia and fun facts

Shredder

Shredder was originally in the film, but was written out because writer Jeff Rowe wanted the film's villain to be a mutant that shared empathy with the Turtles and who could easily tempt/corrupt them.

Tony Hawk

Rogen compared the film's soundtrack to that of the video game Tony Hawk's Pro Skater (1999).