Because you like Evan in Superbad
Severus Snape is a misanthropic potions teacher with a vindictive streak. See them in Harry Potter Series.
Fox Mulder is a devoted believer in aliens, monsters, and that the truth is out there. See them in The X-Files.
Emily Fields has been very guarded, careful of whom she trusts and reveals her secrets to. See them in Pretty Little Liars.
In charge of stocking the office's supply of cigarettes and liquor, Joan Holloway could run the whole company if they would let her. See them in Mad Men.
A vampire hunter, Integra Hellsing doesn't tolerate failure, least of all her own. See them in Hellsing.
America Singer is a feisty, fiercely independent musician who places little value on the restrictive rules of her society. See them in The Selection .
James T. Kirk is more than ready to face the final frontier. See them in Star Trek.
Ariel knows there's a whole other world above the sea, but exploring it comes at a big price. See them in The Little Mermaid.
His superiority complex coupled with his bitter desire for revenge makes Vegeta a formidable foe. See them in Dragon Ball Z.
Nomi Marks is a brilliant hacker with an open-minded, accepting spirit. See them in Sense8.
Angel is fighting as best as he can, but the disease might be too powerful for even his strong, positive energy. See them in Rent.