Ro-Bear Bill is a member of the Berbil race (also known as Ro-Bear Berbils), a group of small robotic bears.
History
Ro-Bear Bill is the unoffical leader of the Ro-Bear Berbils. He has a small family consisting of his wife Ro-Bear Bella and his son Ro-Bear Beebo.
He made fast friends with the Thundercats. Once Panthro repaired him after he'd been attacked by the Conquedor. The pair worked together to build weapons to fight the Conquedor. He and the Berbils are now trusted allies of the ThunderCats.
Abilities
Ro-Bear Bill has the ability to form a small sphere and bounce at a relativly high speed.