Have no idea. He was also born as a panda.
Litopia
Sea-shore
Robinne Weiss
It's one of the great mysteries of Litopia 
Patricia D
Excellent question. If you get one, you get a negative point. What difference that makes, other than one less point, is not clear to me.
Bluma Bezbroda
A while ago, after a long discussion, we sort of estabilished that Derek has to be a bastard son of one of the Lovecraftian gods. It's stil open for further interpretations, though