The Stars
| Name: Mario Mouse. | The fastest driving mouse in the world. |
| Height: 2.4 inches | Goal: Win races and save the world. |
 Rocket Launch Movie Clip |
"To the Race car!" |
| Name: Grandpa Mouse. | Inventor extrordinare. |
| Height:2.6 inches | Mario Mouse's Grandfather. |
| Space Capsule Movie Clip |
"OK Mario, but it'll be very dangerous." |
| Name: Baron Von Ratnick. | Hates sunshine. |
| Height:2.7 inches | Goal: world domination. |
| Rat Telescope Movie Clip |
" Diabolical...Hmmm, I like the sound of that" |
| Name: Squeeky. | Baron Von Ratnick's side kick |
| Height:2.3 inches | Loves pistachio nuts. |
| Squeeky Movie Clip |
"Baaaron Baaaby!" |