Because you like Richard Webber in Grey's Anatomy

The ever-cheerful Tonks can change her appearance at will, but she can't seem to get rid of her clumsiness. See them in Harry Potter Series.

Dorothy Gale is a down-home Kansas girl in a bizarre fantasy land with beautiful red shoes. See them in The Wizard of Oz.

Don't worry about this forensic scientist offing you unless you're a serial killer yourself. (You're not, right? Just checking.) See them in Dexter.

It's a mad, mad world, but Alice has a surprisingly level head as goes her own way down the rabbit hole. See them in Alice in Wonderland.

A deadbeat dad and small-time con-artist, Frank Gallagher gives nothing and yet expects everything. See them in Shameless.

Not a great influence with her classmates, this 13-year-old "cool girl" likes to shoplift, chug alcohol, and snort crushed pills. See them in thirteen.

Celine's a spontaneous Parisian college student enjoying the night of her life. See them in Before Sunrise.

Aslan represents everything good and just, he's just not super reliable. See them in The Chronicles of Narnia.

When it comes to dancing and life, nobody puts Frances Houseman in the corner. See them in Dirty Dancing.

Woody is a selfless leader of Andy's toys who likes change less than a snake in his boots. See them in Toy Story.

Harry Mason has been told that he worries too much, that he's a little paranoid. But he just wants to protect what he loves. See them in Silent Hill.

Ilana Wexler is rarely found without a joint. When she's not absolutely blazed, she is a below average employee and an incredible best friend. See them in Broad City.