Teenage Mutant Ninja Turtles & Other Strangeness is a role-playing game based on the comic book created by Kevin Eastman and Peter Laird. The core rulebook was first published by Palladium Books in September 1985 – before the Turtles franchise achieved mass popularity – and featured original comic strips and illustrations by Eastman and Laird. The rules and gameplay are based on Palladium's Megaversal system.

Kevin Siembieda is an American artist, writer, designer and publisher of role-playing games.