Because you like Joan Holloway in Mad Men

Howard Wolowitz is an engineer whose serious mommy issues somehow haven't dimmed his confidence. See them in The Big Bang Theory.

You couldn't ask for a better, or weirder, daughter like Cassie. See them in Marvel Cinematic Universe.

Rick Dalton is an aging actor with insecurity issues. See them in Once Upon a Time in Hollywood.

Claudia may look young, but she is a wise and philosophical vampire, knowing of the world and the darker nature of man. See them in Interview with the Vampire: The Vampire Chronicles.

Charles Xavier is a telepath who believes mutants and humans are both good at heart and can live in harmony. See them in X-Men Series.

Tracy Turnblad's got rhythm, and she's determined to share her dance moves with the world. See them in Hairspray.

Rose Hathaway is a reckless, rebellious smartass who's training to be a royal vampire guardian. See them in Vampire Academy.

A fight every now and then makes Dante's life a little more interesting. See them in Devil May Cry.

Amy March blends her naturally artistic spirit with a sense of practicality. See them in Little Women.

Motivated by a strong sense of curiosity, fleet-footed Lina Mayfleet is happiest when she's on the move. See them in The City of Ember.

Nothing inspires dread like the mysterious, masked Man in Black. But what's he hiding? See them in The Princess Bride.

A super-soldier, Master Chief might be more machine than man. And for humanity's sake, thank God. See them in Halo.