Ishiki Erishi, known as Ishiki Eriito (江里糸石輝, Eriito Ishiki) in the Japanese version, is a Ra Yellow student. He is seen in the anime, with America Uchimura, as a spectator to Jaden Yuki and Dimitri's Duel ending in Jaden's win.
He is also seen being beaten by Chazz Princeton along with America Uchimura and another Ra Yellow member when Chazz is in the Society of Light led by Sartorius. Before leaving Ra Yellow they tell Bastion Misawa that they will talk to Sartorius to see if he can join. When Bastion does arrive to the white dorm Ishiki joins Chazz, Alexis Rhodes and the other Society members in laughing at Bastion.
In the 3rd season, he was one of many students who were transported in second alternate dimension and became a Duel Ghoul.
Ishiki appears in the game Yu-Gi-Oh! GX Spirit Caller, as a duelable opponent.
