Crash Bandicoot

Crash Bandicoot is the main protagonist of the videogame series of the same name and was once an ordinary bandicoot until he was exposed to an Evolvo-Ray by the villain Doctor Neo Cortex as part of a plan to conquer the world by using Crash as a general for an army - however when Doctor Neo Cortex decides Crash is unfit to be the general of his army the two become enemies as Crash sets upon destroying all of Doctor Neo Cortex's henchmen and eventually taking on the main villain himself.