Because you like Lily Aldrin in How I Met Your Mother

A charming acapella performer, Jesse Swanson perfectly blends being nerdy with being cool. See them in Pitch Perfect.

A scary monster on the outside, James P. Sullivan is really a softie on the inside. See them in Monsters, Inc..

Danny Zuko's car is auto-matic. Its system-matic. Its hyyyyydro-matic. Why, its greased lightning! See them in Grease.

Hank McCoy is a quintessential nerdy scientist but with a few rather unconventional physical attributes. See them in X-Men Series.

Anya Jenkins has a real harsh bark to go with her demonic bite. See them in Buffy the Vampire Slayer.

Kristoff may seem standoffish, but this ice harvester has a warm heart. See them in Frozen.

As high-strung as she is talented, Rachel Berry both marches and sings to the beat of her own drum. See them in Glee.

A daughter of a pair of superheroes, Hope van Dyne is scientist is brilliant and fearsome. See them in Marvel Cinematic Universe.

Chuck Bartowski is a sweet, laid-back electronics store/top secret government employee. See them in Chuck.

For Wreck It Ralph, it's not easy being the bad guy. Especially when you've been designed to destroy but really desire love. See them in Wreck-It Ralph.

Don't ask Rosa Diaz, a Brooklyn detective, to lighten up. Actually, to be safe, don't ask her to do anything! See them in Brooklyn Nine-Nine.