Some conflicting information is given over the course of the series concerning the circumstances surrounding Buz's origin. In "The Mud Nest" he was said to have been left on the doorstep of an orphanage and to have never known who his real parents were.
Throughout the series, there are conflicting accounts about how Buz came to be. In the episode "The Mud Nest," it is stated that he was found abandoned at an orphanage and had no knowledge of his biological family.