Seth (Dinosaur King)

Seth is one of the antagonist characters in Dinosaur King TV show. He is one of the Alpha Gang members, he is a traitor and betrays them and created the Black T-Rex. In season 2 he joins the Spectral Space Pirates to get the seven cosmo stones, but he betrays them and decided to rule the universe for himself. In the final episode of season 2 he becomes a hero and saved the universe from the Dark Pterosaur, but he survive but badly wounded.