This is one of the things that someone from a company called Magenta Software, the creator of the concept arts says the following:

Was checking out my old portfolio site at andydavis3d.com and remembered an old project from years back. In 2004, I was working as an artist at Magenta Software, Liverpool. We had just completed work on the game, ‘Stuart Little 3′, and we were looking to pitch for a new game idea. The makers of ‘Crash Bandicoot’ were looking to create a new character that was Crush Bandicoot’s evil twin. The game was to feature zany open-world sci-fi environments, and lots of bouncy platform action and crazy vehicle gameplay.

More arts at this link. (Source)