Dennis Marks
Dennis Marks
Species: Human
Homeworld: Earth
Universe: Earth-1A
Hair: brown
Relatives: Jonas Marks (father)
Base: Metropolis

Dennis Marks is the son of Jonas Marks. He was born on April 3, 1970. When he was 12-years-old, he was taken to the Metropolis Medical Center for surgery. But the hospital staff were unable to operate on him, because he was in need of a blood transfusion, and the only person with his blood-type was his father, who was in the Amazon. They then call in the Super Friends and Aquaman, the Wonder Twins and Gleek find the boy's father.

Powers and Abilities

Super Powers





Super Friends

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