Mouse

Mouse is one of the main characters of the real life series, A Project Guy. He is Sylvester's best friend and one of Hook's arch-enemies and former henchmen. Mouse also has a few jobs.

Mouse was the main antagonist of Season 1 as it has been revealed that he impersonated Stuart Little and he was also the secondary antagonist of season 3 when Hook was revealed to be the main antagonist of the series.

In Season 5, Mouse reforms and becomes one of the protagonists of the series.

He was also back to being a villain again in a few episodes as he tries to steal cheese and helps Hook in his evil plan like he did in season 3, however he and Hook both get defeated by Rat in a Hat putting them in jail, then he was obsessed with animal cruelty but then Sylvester stopped him and then he tried to steal a pillow fort along with Sam the Eagle, Butch and Mr. Spiketail but then Mouse, Sam, Butch and Mr. Spiketail were all defeated alongside Hook and his friends when the pillow fort exploded.

In January 2019, Mouse almost died as he sunk to the bottom of the ocean at a beach. However, one day later, Mouse came back and it was revealed that he survived from sinking to the bottom of the water at the beach.

Plush portrayal
Mouse was portrayed by a 2003 McDonalds happy meal toy of Rizzo the Rat from The Muppets.