JLU's Devil Ray. Sat in for Black Manta because there was an embargo on using Aquaman's cast of characters for the show.
thats not devil ray thats black manta dcau style
He is called Devil Ray on Justice League Unlimited because they didn't have the rights to Black manta because of the possible Aquaman Series on the CW. They renamed him Devil Ray, but essentially in character he is black manta.
"Can I get a seahorse?"