Master Isao

"Darkspella Come To My Household While I Was Gathering My Crests To Fight Our Enemies And What Make You Think I Was Part Of Her Alliance?"

Isao is Ray's Grand-Uncle who was part of Darkspella's alliance and even also Isao was been stubbon old goat who is no longer part of her alliances and even also He was Head of Okamoto Family Household in Japan and when Ray, Manny, Beracules, Grandfather Raiden and Minevramon come to visit him

as that even also He have anything to not tell them that He was the Crest and also Manny found out that Isao was part of Darkspella's alliance also that Isao was wrong about that He was part of Darkspella's alliance and that even also He uses Light, Darkness and Fire deck to duel Manny in the arena and even as also his number unit was Force Focus that He have defeated Dr. Rabies with his Mini Titan Gett and even also Isao lost the duel by Manny's Moonhowler Tribe