Because you like Knuckles the Echidna in Sonic the Hedgehog

Wanderer is a Soul, a parasite sent into a host to take over their body, extracting information from them and colonizing their species. See them in The Host.

Convinced that the world is conspiring against him, Tatsuhiro's reconciled himself to his fate as a shut-in. See them in Welcome to the NHK.

Ava may just be the perfect woman. So long as she can pass a Turing test. See them in Ex Machina.

A genetic experiment engineered to be the perfect assassin, Agent 47 is cold, professional, and lethal. See them in Hitman.

Hanna Marin is a determined girl defined by her ability to transform herself. See them in Pretty Little Liars.

She's a survivor of gunshots, of being buried alive, nand of paralysis. And now Beatrix Kiddo is going to make her abusers pay. See them in Kill Bill vol. 1.

Thor is Asgardian nobility who is tickled by how us earthlings live. See them in Marvel Cinematic Universe.

When the going gets tough, Rick Grimes gets tougher. It's a very useful trait when the world goes to hell. See them in The Walking Dead.

Gru's more misunderstood than evil, and if he'd rule over the world like he takes care of his three daughters, we'd be in good hands. See them in Despicable Me.

Barbara Kean is loving, selfless, and caring. But, she's less stable than she'd like to admit. See them in Gotham.

A fun-loving jokester, Alistair isn't ready for the responsibilities he faces. See them in Dragon Age Series.