Fair Dinkum, also known as Dink, is one of the main characters in Disney's 1985-87 television series, Dumbo's Circus.
He is a koala who serves as ringmaster of the circus. He has an Australian accent. There are a few things that he is afraid of - heights (so he's scared of flying) and drowning in the water being a few of them. His name comes from the Australian phrase, "fair dinkum".