Gai Usui (臼井 ガイ)
A member of Team Caesar, and the brother of Yuri Usui.
Cardfight!! Vanguard
Supporting
Cardfight!! Vanguard: Asia Circuit-hen
Cardfight!! Vanguard: Link Joker-hen
Cardfight!! Vanguard: Legion Mate-hen
Cardfight!! Vanguard Movie: Neon Messiah
Cardfight!! Vanguard G
Satou, Setsuji
Fulton, Phil
