Because you like George Banks in Father of the Bride

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.

Hank McCoy is a quintessential nerdy scientist but with a few rather unconventional physical attributes. See them in X-Men Series.

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.

Ultron is security software turned evil mastermind. See them in Marvel Cinematic Universe.

Barry Egan has too many anger issues to list here. See them in Punch Drunk Love.

Leatherface's moods change with his masks. See them in The Texas Chainsaw Massacre.

Stubborn, impulsive, and fun-loving, Hallie Parker is not afraid to devise some schemes to bring her family together. See them in The Parent Trap.

Once a handsome prince, the Beast is now a grumpy, furry, monster. It's hard to pinpoint which mammal he resembles the most. See them in Beauty and the Beast.

Keeping your cool is just as useful in the underworld as in war, and Michael Corleone is stone-cold. See them in The Godfather.

Gordie Lachance never had any friends later on like the ones he had when I was twelve. See them in Stand By Me.

Count Olaf is a traveling actor, except he can't act and his homicidal tendencies make finding work pretty difficult. See them in Lemony Snicket's A Series of Unfortunate Events.

The Genie is the perfect buddy, granting every wish we might have and keeping life good-spirited. See them in Aladdin.