Because you like Samus Aran in Metroid
John Yossarian is trapped in irony as he must be insane to leave the war but if he does try to leave, he'll be deemed sane and will be forced to stay, See them in Catch-22.
CIA operative Carrie Mathison is on a self-assigned mission to follow a lead, whether it be the truth or just her delusions playing tricks. See them in Homeland.
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.
Leone Montana is a fearless hitman with a surprisingly sensitive side. See them in Leon: The Professional.
When the Sorting Hat touched Draco Malfoy's head, it placed him in Slytherin, a house that has turned out more dark wizards than any other. See them in Harry Potter Series.
Quentin has his whole life mapped out. It might sound boring, but he likes boring. See them in Paper Towns.
Chaos is what killed the dinosaurs, and there's nothing Jason "J.D." Dean loves more than chaos. See them in Heathers.
Due to his eagerness to hang with his kids and general goofiness, Phil Dunphy comes across as the fourth child of his family. See them in Modern Family.
Driven, resentful, and ruthless, Mello is an emotional powder keg. It's only a matter of time before he explodes. See them in Death Note.
Kyoya Ootori is possibly the only person who could reasonably go from VP of a school club to ruling the world. See them in Ouran High School Host Club.
A literal fallen star, Yvaine is temperamental, sarcastic, and a bit on edge. See them in Stardust.