Big Louie is a recurring villain in the 1987-1996 animated series. He is a high ranking gangster with a gang at his disposal, who sometimes works with the Shredder.
Big Louie and his mob debut in the "The Big Cufflink Caper!" episode, where he and his henchmen steal cufflinks.
When the turtles encounter them for first time in the episode, Leonardo recognize them.
In The Big Cufflink Caper!, Big Louie asks the Turtles, who were trying to pass as mobsters, to prove themselves to him by putting Baby Face "The Beaver" Cleaver on ice.
Like mobsters Pinky McFingers, Tony "The Butcher" Vivaldi and Don Turtelli, Louie was voiced by Peter Renaday.
- The Big Cufflink Caper!
- Napoleon Bonafrog: Colossus of the Swamps
- Adventures in Turtle-Sitting
- Return of the Turtleoid