| Gurio Umino | ||
| Japanese Name: | Gurio Umino | |
| English Name: | Melvin | |
| Eyes: | usually covered by large eyeglasses (with swirls on the lenses) | |
| Hair: | Brown, messy | |
| School: | Crossroads Junior High (dub); Juuban Junior High. Also attends juku (cram school). | |
| Romance: | Used to have a crush on his classmate Usagi Tsukino. Now he is dating her best friend. | |
| Girlfriend: | Naru Osaka | |
| Well Known for: | Being a nerd. He regularly attends juku (cram school), as does his classmate Ami Mizuno. | |
| Strengths: | Intelligence, kindness | |
| Weaknesses: | Often shares so much information that he becomes annoying | |