Because you like Summer Roberts in The O.C.

Although she is underestimated, Lagertha never fails to prove her worth as both a warrior and a mother. See them in Vikings.

The singer and ukulele player of her girl band, Sugar "Kane" Kowalczyk is the life of a party and the woman of a man's dreams. See them in Some Like It Hot.

Sensual, wild, and with a penchant for controlled substances, Lily is a ballet dancer who isn't afraid to let loose. See them in Black Swan.

Toby Cavanaugh has trouble avoiding being manipulated. See them in Pretty Little Liars.

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.

Warm and caring, Kitty Forman acts like a mom towards all of her kids' friends. See them in That '70s Show.

Some might call Jess Mariano mysterious. Others just call him moody. See them in Gilmore Girls.

Xander Harris' life motto: laugh in the face of danger and then hide until it goes away. See them in Buffy the Vampire Slayer.

Elena Gilbert is the quintessential girl-next-door who gets involved with the new "boy" at school. See them in The Vampire Diaries.

Dolores Umbridge keeps her villainy hidden (albeit poorly) behind a sheen of sugary pink politeness. See them in Harry Potter Series.

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

Alex Dunphy's self-reliant intelligence comes with a healthy dash of sarcasm. See them in Modern Family.