Because you like Beavis in Beavis and Butthead
Matilda Wormwood is so smart, she taught herself how to be psychic. See them in Matilda.
Just a hint of human emotion lurks under the enigmatic exterior of Rei Ayanami. See them in Neon Genesis Evangelion.
Finn is the world's last human who's "all about" understanding right and wrong. See them in Adventure Time.
Introspective Theodore Twombly would rather observe life than participate in it. See them in Her.
This mathematical genius doesn't have time for small talk; Alan Turing needs to break Enigma, the Nazi's cipher machine. See them in The Imitation Game.
An intriguing bundle of contradictions, Sawyer Ford trusts no one on the island, and no one should trust him. See them in Lost.
V is a violent anarchist with literally nothing left to lose. But, he might have a point. See them in V for Vendetta.
Sebastien Michaelis is a demonic butler who approaches life with effortless finesse and a diabolical streak. See them in Black Butler.
An All-American football player, a ping pong star, and a freakishly determined runner, Forrest Gump has a ton of stories to tell. See them in Forrest Gump.
Fox Mulder is a devoted believer in aliens, monsters, and that the truth is out there. See them in The X-Files.
For Dana Scully, sometimes looking for extreme possibilities makes you blind to the probable explanation right in front of you. See them in The X-Files.