Because you like Conker the Squirrel in Conker's Bad Fur Day
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.
Driven and straightforward with high-technology parts, EVE was sent to Earth to see if it is habitable. See them in WALL-E.
Phoenix Wright is an easygoing defense attorney who is rarely defensive. See them in Ace Attorney Series .
After years of living vicariously through other people's heroic stories, Wade Watts is about to become a hero himself. See them in Ready Player One.
Ultron is security software turned evil mastermind. See them in Marvel Cinematic Universe.
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.
Ellie is more world-weary than most 14-year-olds. You would be too if your world was infested with zombies. See them in The Last of Us.
His name is Chucky, and he's your friend till the end. Hidey-ho! See them in Child's Play.
With a dangerous medical condition, Ignoring the rules makes him feel like he’s in control. See them in Five Feet Apart.
Keeping your cool is just as useful in the underworld as in war, and Michael Corleone is stone-cold. See them in The Godfather.