Nostromoo is a citizen of Unikingdom.
He looks a lot like his mother in appearance, but smaller, with a more triangular body. He is a small kid citizen who is colored in green, yellow, and blue. He also has a flower on top of his head.
- Main article: Nostromoo/Gallery
| Main: Unikitty / Puppycorn |
Dr. Fox / Hawkodile / Richard
Antagonists: Doom Lords (Master Frown ) / Brock / Score Creeper / Eagleator / Giant Jelly Creature / Friend Guy / Cupcake Monster / Wish Coins / Sandman
Supporting: Action Police / Dino Dude / Dr. Fox’s Robots / Kickflip / FeeBee / Security Robot / Mark 1 / Rock Guy / Pet Pet / Theodore / Ted Butter / Bim-Bom / Craig / Toaster and Toast / Background Characters