Martinex T'Naga is a Marvel Comics character that appears in Guardians of the Galaxy Vol. 2, played by Michael Rosenbaum. He is a member of an alien race with a crystalline body. He has superhuman strength, superhuman speed, invulnerability, and the ability to shoot lasers from his hand. He has a brilliant scientific mind. He uses his powers and skills to protect the innocent and fight the forces of evil. He is a good friend of Yondu.