Michelan Sisti on the right with Leif Tilden on the left.
Michelan Sisti (born May 27, 1949) is a Puerto Rican-born actor and musician who played Michaelangelo in Teenage Mutant Ninja Turtles and its sequel Teenage Mutant Ninja Turtles II: The Secret of the Ooze. Before becoming a turtle, he had an eighteen year theatrical career including five Broadway shows. Since TMNT, Micha moved from New York City to Los Angeles and has continued to work with The Jim Henson Company, Walt Disney Studios, and scores of other movie and television productions, as an actor, director and puppeteer.