Bull Dog is a character in Krypto the Superdog and a member of The Dog Star Patrol. He is a blue English Bulldog who speaks with an English accent and has large bull horns that he uses to attack foes and break things. He's best friends with Tail Terrier.
Alien Physiology: Bull Dog is an alien from another planet who possess the ability to grow horns.
- Bull Horn Retraction: When he is going to attack to somebody, bull horns grow behind his ears, making him a real Bull-Dog, also able to retract them back into his head.