King Gator is a character from the original All Dogs Go To Heaven film. He is where the famous term "Big-lipped alligator moment" originated.
As Kuzco Turtle In The Wolf-Dog's New Groove
He is a turtle
As The Crocodile in Jumanji (PrinceBalto Animal Style)
He is a crocodile
He is a green dragon.
As Doctor Holiday in How Uncle Max Saved Christmas
He is a Comedian Doctor
As King Kong in King Gator (King Kong)
All Wolves Go To Heaven- he is played by Stretch-O-Mutt
Big-Lipped Alligator Moment
This term originated from King Gator and is used to refer to a random musical number that has nothing to do with the plot in an animated film.