Lil Capone is a minor character of Bunnicla.
He is a ghost puppy.
Lil Capone was once the beloved puppy of a gangster, but one day his master never came home. Due to his master having promised that when he got back they would play, Lil Capone was unable to move on after he died and haunted his doghouse ever since.
Eventully, when Chester, Harold, and Bunnicula spend the night in his doghouse, after playfully haunting them for a while, they lay with Lil Capone and having finally had his fun, Lil Capone is satisfied and able to move on to the afterlife. His moving on caused his doghouse to vanish with him.
Despite being a gangsters former pet he is very friendly and playful and is only hostile when he wants to be played with.