Because you like Gabriella Montez in High School Musical

Alex Danvers is a brilliant engineer tasked with alien threats, and one of those aliens is her adopted sister Supergirl. See them in Supergirl.

Klaus Baudelaire's photographic memory saves the lives of his siblings many times over. See them in Lemony Snicket's A Series of Unfortunate Events.

Amy Santiago likes following the rules a little too much. See them in Brooklyn Nine-Nine.

Alex Russo desperately wants to keep her magic – after all, things are so much easier when you can just wave a wand. See them in Wizards of Waverly Place.

Sophia Burset will teach you how to navigate the prison world and maybe how to make cute shower shoes from commissary items too. See them in Orange Is The New Black.

In Ziva David's world, you grow up fast; you don't have a choice. See them in NCIS.

Ursula will oh-so-generously grant your wishes for a price. See them in The Little Mermaid.

Fear is a ball of nerves and a voice of caution. See them in Inside Out.

Popular jock Andrew Clark is pretty bizarre. He's just better at hiding it, that's all. See them in The Breakfast Club.

Beautiful and artistic, Aria Montgomery follows her own path. See them in Pretty Little Liars.

Andy Bernard is a preppy Cornell grad who's very likely to break into an acapella performance. See them in The Office.

Once described as a "beautiful, tropical fish," Ann Perkins exudes warmth, and unlike most of her friends she also has common sense. See them in Parks and Recreation.