Because you like Kevin Gnapoor in Mean Girls
Sheldon Cooper is brilliant in every way except, well, interacting with any human being. See them in The Big Bang Theory.
Dipper Pines is investigating a truly strange town during the world's wildest summer vacation. See them in Gravity Falls.
Tobias "Four" Eaton is only afraid of four things, but you should probably be afraid of him. See them in Divergent.
Just a hint of human emotion lurks under the enigmatic exterior of Rei Ayanami. See them in Neon Genesis Evangelion.
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.
Other people's opinions have never mattered much to Haruka Nanase, and they aren't going to start to do so now. See them in Free! Iwatobi Swim Club.
A responsible kid, Hugo Cabret is still capable of flights of fancy. See them in Hugo.
A wildly brilliant detective, Sherlock Holmes can figure out everything except how to interact with other human beings. See them in Sherlock.
Castiel might be an immortal angel, but the human world is still more than a little confusing. See them in Supernatural.
The quiet, intense Daryl Dixon lets his crossbow do the talking. See them in The Walking Dead.
There are certain souls the surprisingly sensitive Death would rather not reap. See them in The Book Thief.
Finn is the world's last human who's "all about" understanding right and wrong. See them in Adventure Time.