Calvin Durham

Calvin Durham is the foster father of Aqualad.

History
Durham was originally one of Black Manta's henchmen. He was genetically engineered to become a water-breather and destroy Atlantis from the inside, but he forsook his mission when he met Sha'lain'a. They married, and raised their son Kaldur'ahm in the city of Shayeris.

Background in other media
Cal Durham is a preexisting character from DC Comics.