Jack Rabble sold robot models at conventions, sharing a booth with Owen Garrison .
He has dark hair with white sideburns. He is on the heavy side.
He appeared to be friendly and to like Owen, but he was actually a cunning schemer.Hideous Hyde Hound, and a giant Mr. Hyde and attacked the comic convention at the Hotel San De Padro as Mr. Hyde. His goal was to divert an armored car containing convention receipts so he could rob it.