|Friends|| Miss Keane (Girlfriend) |
Unknown undergrounder girl (Formerly Girlfriend)
He looks like a grey robot wearing round, black sunglasses, a brown bandana in his pink hair, a brown shirt, green waistcoat and yellow scarf. He seems to have robotic springs for legs under his puffy brown shorts. He also has a small, circular earring.
Not much to know about Ueno personality because he seem no scene shot. He just introduce as Miss Keane boyfriend.
- Miss Keane - He is the current boyfriend of Miss Keane. Not much is known about him, except that according to Miss Keane, he loves fried shrimp and has a humorous personality. He also seems to live in his underground drill rocket ship.
- Unknown undergrounder girl- He had broken up with Miss Keane and dated her, but she dumped him.
- Ueno can speak in english dub but not in english sub.
- Ueno (上野 ) also know was a district in Tokyo's Taitō Ward, best known as the home of Ueno Park.