Because you like Sokka in Avatar: The Last Airbender

Rose Tyler may have not done too well in school, but she's certainly holding her own in space. See them in Doctor Who.

A powerful priestess, Melisandre is shrouded in mystery and lots of red. See them in Game of Thrones.

Jasper Jordan is trying his best to make it through the night. See them in The 100.

Success for Eggsy Unwin means joining Kingsman, and failure could mean death. See them in Kingsman: The Secret Service.

Christine Palmer is a great surgeon and an even better friend. See them in Marvel Cinematic Universe.

A determined and cold-hearted spy, Cassian Andor will do what it takes to stand up to the evil Galatic Empire. See them in Rogue One.

A Silurian lizard woman, Madame Vastra has a penchant for puzzles and interspecies romance. See them in Doctor Who.

Drusilla's hobbies include dolls, music, and killing people. See them in Buffy the Vampire Slayer.

Be careful around Marie Laveau. There's no one more vengeful than a double-crossed voodoo queen. See them in American Horror Story.

Underneath his preening narcissist exterior, Schmidt is, well, still kind of a preening narcissist. But he has a good heart too. See them in New Girl.

Rick Sanchez is a gruff, alcoholic mad scientist, with the emphasis on "mad." See them in Rick and Morty.

A crabby troll, Karkat Vantas is perpetually angry about his lot in life. See them in Homestuck.