Martin Elliot "Marty" Isenberg (born December 24, 1963; age 60) is an American TV writer for Teenage Mutant Ninja Turtles (2003 TV series). He is best known for his role as co-story editor on Beast Machines, and Transformers: Animated. He also wrote or co-wrote scripts for Ben 10, Danny Phantom, Gargoyles, Batman: The Animated Series, Action Man, Beetlejuice, The Mask, G.I. Joe: Renegades and the 90's X-Men and Spider-Man animated Series.