Because you like Mercedes Jones in Glee

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

Emma Frost's superpower: transforming her body into an unbreakable diamond. See them in X-Men Series.

A meek schoolteacher, Mary Margaret Blanchard can't remember her past as a spirited, swashbuckling Snow White. See them in Once Upon a Time.

Ferociously independent and wickedly smart, Fiona Goode is a Supreme Witch who truly reigns supreme. See them in American Horror Story.

Drusilla's hobbies include dolls, music, and killing people. See them in Buffy the Vampire Slayer.

A brilliant graduate student in Italy for "research," Oliver has other things on his mind: flirting, swimming, and dancing. See them in Call Me by Your Name.

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

If the awesome Andie Walsh is from the wrong side of the tracks, we don't want to be right. See them in Pretty in Pink.

Everything is fascinating to Octavia Blake who has been locked away for her entire life. See them in The 100.

An opinionated pothead with a passion for conspiracy theories, Steven Hyde is secretly more sensitive than he lets on. See them in That '70s Show.

A suave manipulator, Sebastian Valmont is valiantly fighting off a developing conscience. See them in Cruel Intentions.

Neal Cassidy is a charming former thief with a heroic side. See them in Once Upon a Time.