Character » Sonar appears in 126 issues.
Baron Bedlam has a shrewd, ruthless tactical mind and vast financial resources.
One of Brainstorm's poker buddies.
Genetically engineered to surpass all human limits, Slade Wilson was once a soldier but now works as one of the most feared assassins in the DC Universe. He has frequently clashed with the Teen Titans, Batman, Green Arrow, the Justice League, and even gods!
Once a researcher working for the betterment of mankind, Neal Emerson became a master of magnetism, and one of the deadliest metahumans on Earth.
Hector Hammond is a genius who evolved himself into a man of the future with a meteor. His futuristic brain grants him many powers that make him a very dangerous foe to Green Lantern. Hector Hammond teamed up with Sonar in order to battle Green Lantern (Hal Jordan)
A super-villain turned reluctant hero, Major Disaster is an Earth Elemental who is in constant indirect contact with "Mother Earth" herself, Gaea.
The Queen Bee teamed up with Sonar to battle the Justice League.
Amalgam version of Klaw and Sonar
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