Leonardo is the leader of the Teenage Mutant Ninja Turtles, the closest to his Master Splinter, close friend of IG-86 and Numbuh 1, and one of the main characters of the IG-88's Adventures Series. He is voiced by Seth Green.
TRIVIA[]
- From Seasons 1 to 2 of the 2012 series, Jason Biggs of American Pie fame voiced Leonardo.