Because you like Addison Montgomery in Grey's Anatomy
Mark Zuckerberg has achieved everything he's ever wanted, and he's proving to the world how brilliant he is. But happiness eludes him. See them in The Social Network.
M. Bison is a diabolical megalomaniac hell-bent on dominating the world. See them in Street Fighter.
As the Rose Bride, Anthy Himemiya is a spectator in the fencing matches fought over her and her power "to revolutionize the world." See them in Revolutionary Girl Utena.
Clary Fray's philosophy: dive into the supernatural underworld first and ask questions later. See them in City of Bones.
Though Twilight might be opposed to it, her new friends might just be able to teach this serious-minded pony how to relax. See them in My Little Pony.
Chuck Bartowski is a sweet, laid-back electronics store/top secret government employee. See them in Chuck.
Erlich Bachman is an overconfident wannabe mentor blowing all types of smoke around the tech industry. See them in Silicon Valley.
Give in to the dark side with vampire Lestat; it's more fun. See them in Interview with the Vampire: The Vampire Chronicles.
Vincent Vega likes a good steak, a cheap milkshake, and killing a target without anything going wrong. See them in Pulp Fiction.
They say Babydoll has lost her mind. But why does it seem like she's the only sane one in her institution? See them in Sucker Punch.
Egon Spengler prefers collecting spores, molds, and fungus to interacting with people. See them in Ghostbusters.