From Wikipedia, the free encyclopedia Michelan Sisti (born May 27, 1949) is an actor and musician who played Michelangelo 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 to Los Angeles and has continued to work with Jim Henson Company, Walt Disney Studios, and scores of other movie and television producti ...