Though canonically never given a name, Taiyou Torimaki is an Obelisk Blue student. In the Yu-Gi-Oh! GX Spirit Caller video game, he was dubbed as "Taiyou Torimaki". Likewise, in the Yu-Gi-Oh! GX Duel Academy video game, he was dubbed as "Topher".
He was also a friend of Chazz Princeton before Chazz left Duel Academy. He is seen next to Chazz while Jaden Yuki dueled Dr. Crowler. When Chazz goes to the Obelisk Blue dorm when in the Society of Light, Taiyou was one of the first to be defeated and join the Society. He is always seen with Raizou Mototani.
In Yu-Gi-Oh! GX Spirit Caller, Taiyou plays a Dragon Deck called, "Dragon's Roar". Later on in the storyline, he changes it to a Skill Drain Deck.