Because you like Gilderoy Lockhart in Harry Potter Series

Randy Marsh is a geologist and Nobel Prize winner who is into binge drinking, starting riots, the Food Network, and P.F. Changs. See them in South Park.

More than any of her friends, Fluttershy is willing to see the best in everyone, a trait that has won over many enemies. See them in My Little Pony.

For Kazuya Mishima, the power of the Devil is now his and his alone. See them in Tekken .

A ball of cheerful energy, Pinkie Pie is as sweet as her name suggests and lives to bring others joy with laughter and parties. See them in My Little Pony.

Small in stature, Clara Oswald has a big appetite for adventure. See them in Doctor Who.

An inter-dimensional demon, Bill Cipher dreams of a more chaotic Gravity Falls. See them in Gravity Falls.

Aldous Snow is a rock star who plays hard and parties harder. See them in Get Him to the Greek.

Derek Hale is not one to make allies easily. This moody werewolf is dark and brooding. See them in Teen Wolf.

It's certainly easier to get great footage of crimes when you can guarantee they'll happen. See them in Nightcrawler.

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

Loyal to his family and associates and distrustful of anyone else, Tony Soprano is a good guy to have on your side. See them in The Sopranos.

Mr. Blonde is the undisputed leader of his pack of suited-up outlaws, with a stoic and serious demeanor, and a penchant for bloodshed. See them in Reservoir Dogs.