Because you like Sergeant Hartman in Full Metal Jacket
R2-D2 has been in the galaxy saving business for decades. Not bad for somebody whose vocabulary is limited to "beep-boop." See them in Star Wars Series.
Running away from murderous aliens has turned into an interstellar chase for Jupiter Jones. See them in Jupiter Ascending.
Park feels like an outsider everywhere he goes, but he doesn't know if he wants to try fitting in anymore. See them in Eleanor and Park .
With a unique ability to empathize with killers, Will Graham helps society but his sanity pays the price. See them in Hannibal.
The Terminator is an emotionless killing machine who won't stop until he's changed the future. See them in The Terminator.
This wizard is never late, nor is he early. Gandalf arrives precisely when he means to. See them in The Lord of the Rings.
This isn't the Captian Hook of your nightmares; he's charming and devilishly handsome. See them in Once Upon a Time.
Remy could be a five star Michelin chef, the only problem is that he is quite literally a rat. See them in Ratatouille.
Napoleon Dynamite loves tater tots, mythical beasts, and reveling in his awkwardness. See them in Napoleon Dynamite.
Francis Freeman may be impervious to pain, but he sure knows how to inflict it. See them in Deadpool.
Driven by guilt and rage, Kratos is less a man and more an unstoppable avatar of anger and hate. See them in God of War.
A powerful mob boss, Vito Corleone is always making offers people can't refuse. See them in The Godfather.