Gurio Umino

海野ぐりお

Also known as Melvin McCellbellum · Ubaldo · Melvin Butlers · Professor GuriGuri

Gurio is a smart nerd who is a classmate of Usagi and Naru at Juban Public MIddle School. He is usually called by his family name “Umino”. He keeps the sailor team up-to-date with information and rumors.