Buster is the main antagonist in Disney's 2001 film Lady and the Tramp II: Scamp's Adventure. He is the former leader of the Junkyard Dogs and the former best friend-turned-archenemy of Tramp and Scamp.
He is voiced by Chazz Palminteri, who also portrayed Smokey in Stuart Little, Sonny LoSpecchio in A Bronx Tale, Manfredi Sinatra in Law & Order: Organized Crime, Kasada in Animal, and Mr. Walken in Little Man, while his singing voice was provided by Jess Harnell.