Because you like Sly Cooper in Sly Cooper
After figuring out how both the light and dark halves of his soul could co-exist, Jak is maturing into a real hero. See them in Jak and Daxter.
Daxter is half otter, half weasel, all snark. See them in Jak and Daxter.
Clank is the quintessential rational, intelligent robot sidekick. See them in Ratchet & Clank.
Ratchet is a shoot-first, ask-questions-later, and then-shoot-again kind of lombax. See them in Ratchet & Clank.
Fox McCloud leads a team of pilots through the Lylat System in search of the evil genius Andross, the villain that killed his father. See them in Star Fox.
Needles Kane says shut up and bleed. See them in Twisted Metal .
He's an everyday earthworm turned intergalactic hero. See them in Earthworm Jim.
Simon Belmont is a vampire hunter bravely carrying on the family business. See them in Castlevania.
Don't let his old age fool you, Heihachi Mishima is a ruthless pragmatist who values self-reliance above all else. See them in Tekken .
Most of the world has been wiped out from The Beast. And when The Beast comes, Cole MacGrath will be ready. See them in inFAMOUS.
Raz is a 10-year-old boy who mostly stays in his own head, which makes sense since that's where he is strongest. See them in Psychonauts.
Jim Raynor is a decent man in an indecent universe. See them in StarCraft.