Supreme's dog. Unlike Krypto, whom he is clearly inspired by, Radar can speak with the help of a dog language translating collar. Radar also partner's with Suprema. During Supreme: The Return, Radar found out about sex and ended up mating with several dogs throughout Omegapolis, leading to an invasion of super puppies. After taking a tongue lashing from Supreme for his actions, Radar was able to lead all the puppies away to a new planet, Fidor, where he deiced to start a dog civilization.
Radar has similar powers to Supreme, such as super strength, flight, and heat vision. He also possesses super senses as a dog.