Because you like Yoshi in Super Mario Bros.
For Wreck It Ralph, it's not easy being the bad guy. Especially when you've been designed to destroy but really desire love. See them in Wreck-It Ralph.
They say they saved Adam Jensen by turning him into a cyborg, but he's not sure saved is the right word. See them in Deus Ex Series.
Hank McCoy is a quintessential nerdy scientist but with a few rather unconventional physical attributes. See them in X-Men Series.
Make sure not to anger the Hulk or else he will transform into a giant green monstrosity and smash anything in his way. See them in Marvel Cinematic Universe.
Wheatley's got an endless supply of bad ideas that he wants to share. See them in Portal Series.
Charles Xavier is a telepath who believes mutants and humans are both good at heart and can live in harmony. See them in X-Men Series.
He tells you everything you need to know: "I. Am. Groot." See them in Marvel Cinematic Universe.
A fight every now and then makes Dante's life a little more interesting. See them in Devil May Cry.
Jane Foster is an astrophysicist who suspects the colors in the sky may be a portal to another world. See them in Marvel Cinematic Universe.
All the world's a stage, and Missy Piggy's never one to give up the spotlight. See them in The Muppet Movie.
An assassin with supernatural gifts, Corvo Attano is the last guy you should frame for murder. See them in Dishonored.