Because you like Mercedes Jones in Glee

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

The Hastings family is old and powerful, and Spencer will do anything to continue excelling. See them in Pretty Little Liars.

Veronica Lodge is a quintessential mean girl trying to make a better life, and a better self. See them in Riverdale.

An all-business doc , Miranda Bailey dispenses tough love to the interns she trains. Emphasis on "tough." See them in Grey's Anatomy.

Mark Sloan is the best plastic surgeon and biggest playboy the hospital's ever seen. See them in Grey's Anatomy.

Effie Trinket is utterly enamored with all things fashion, make-up, and style. See them in The Hunger Games .

Ryan Howard is a temp turned executive turned failing small-time media mogul. See them in The Office.

Jo Wilson is an accomplished doctor who's getting over her past. See them in Grey's Anatomy.

A kind, sensitive medical intern doing the best he can, George O'Malley sometimes struggles to keep up. See them in Grey's Anatomy.

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.

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