Sebastian was kidnapped and then taken to a freak house as a pet for a strange teenager named Randal. He is (almost) an ordinary human. He is one of those humans who doesn't think he's funny but he is funny. He is a very anxious man who is afraid of the other residents of the house, especially Nien and Randal, because they are dangerous. Sebastian dreams of escaping and always tries to do so when the opportunity presents itself. He is in a jester's costume. He can hit back to defend himself! 