Because you like Rose Tyler in Doctor Who

Homer Simpson is a beer-loving disaster in charge of nuclear safety in Springfield. Everybody run! See them in The Simpsons.

Titus Andromedon will show you the ropes, help you with your problems, and sing at you constantly, whether you like it or not. See them in Unbreakable Kimmy Schmidt.

Maka is determined to collect and purify 99 Kishin eggs– human souls that have been corrupted by evil– and one witch soul. See them in Soul Eater.

Dimitri Belikov is a stoic vampire guardian who has the reserve, focus, and discipline of a soldier. See them in Vampire Academy .

Steve Stifler is more than just a dude with a hot mom. He's also rude, profane, and obnoxious. See them in American Pie.

Raiden is an efficient soldier haunted by his repressed past. See them in Metal Gear Series.

Armin Arlert was wrong. This world hasn't become hell; it's been hell. He just couldn't see it before. See them in Attack on Titan.

Regina George is teen royalty. And anything the queen bee says, goes. See them in Mean Girls.

The quiet, intense Daryl Dixon lets his crossbow do the talking. See them in The Walking Dead.

Eren Jaeger will erase the Titans from this world until not a single one remains. See them in Attack on Titan.

Alison DiLaurentis believes you're always better off with a really good lie. See them in Pretty Little Liars.

L is enigmatic, child-like, and one of the smartest people in the world. See them in Death Note.