Vetrix is villain in Yu-Gi-Oh ZEXAL anime. He was villain at ZEXAL first, but he had been rehabilitated in ZEXAL second because of Yuma.
He gone to the Barian world with Kazuma Tsukumo because of Dr. Faker's betrayal, so he was back to human world, but he can't forgive Dr. Faker. So he made up his mind to avenge to Dr. Faker, and he order to his three sons. But bad things happened in the process. After final duel with he and Yuma, he saw Kazuma's image at Kazuma's son Yuma, and he forgive avery.