Because you like Lily Aldrin in How I Met Your Mother

A secret smoker, Margot Tenenbaum has plenty more secrets where that came from. See them in The Royal Tenenbaums.

You wouldn't know it by looking at her, but beneath Sheila Jackson's sweet, motherly exterior lies a sex addict. See them in Shameless.

Underneath Fakir's sarcastic exterior is a loyal friend. But his loyalty borders on being possessive of his friends. See them in Princess Tutu.

He tells you everything you need to know: "I. Am. Groot." See them in Marvel Cinematic Universe.

A vampire hunter, Integra Hellsing doesn't tolerate failure, least of all her own. See them in Hellsing.

Eponine is a scrappy street urchin with a bad case of unrequited love. See them in Les Miserables.

Whatever Sakura Haruno lacks in power, she makes up for in intelligence and bravery. See them in Naruto.

Daring on a bike but haunted in his personal life, even Johnny Blaze isn't fast enough to outride his past. See them in Ghost Rider.

Nina Sayer finally landed the role of prima ballerina, but as tension ramps up in rehearsal, she starts losing her mind. See them in Black Swan.

Lux Lisbon's flirtatious manner attracts a lot of male attention. She relishes the power that her sexuality grants her. See them in The Virgin Suicides.

Sabriel is smart enough to understand the dangers that await her and brave enough to face them anyway. See them in Abhorsen Series.

Greg Hirsch is new to the Roy family's cutthroat world of wealth and privilege. See them in Succession.