For over the years/seasons Buster's parents have never been seen or heard from by the characters and fans of the show. Occasionally, their existence is implied by the characters of the show. Buster mentions his Mother in the episode, Hare Today, Gone Tomorrow, when he tells Elmyra, "My Mother told me never to talk to strangers", which may imply that his Mother was taking care of him at some point early in his life.