The actor who played Raphael was claustrophobic and took off his mask immediately after every take.
The suits were extremely hot and heavy. They contained about 60 lbs. of animatronics and had to be switched out for damage over and over.
After its release, the movie was crowned the highest-grossing indie film in history, before Pulp Fiction took the title a couple years later.
All the actors inside the suits have a cameo without their suits on, including the actor who plays Michelangelo playing the pizza delivery guy (of course).
Judith Hoag, who played April O’Neil, was not happy with the final cut of the movie, claiming that it “lost its soul.”
Sam Rockwell’s lines gave a nod to the creators of the comic books, Kevin Eastman and Peter Laird when he tells the police to check out “the East Warehouse over at Lairdman Island.”
Operating the Splinter puppet took three puppeteers at all times.
Jim Henson, whose company did all of the turtle costumes, was displeased with the “excessive” violence in the final cut of the movie. He claimed it “wasn’t his style.”
The producers shut down plans to score the movie with a completely punk rock soundtrack. Somehow, it ended up with M.C. Hammer instead.
Domino’s won the right to the pizza in the movie, but Pizza Hut launched a huge marketing campaign along with it, and captured the sponsorship of lots of post-movie turtle-related properties.