Because you like Knuckles the Echidna in Sonic the Hedgehog

Gilderoy Lockhart's biggest idol is himself. See them in Harry Potter Series.

Khan Noonien Singh is super strong, super smart, and out for revenge. He always seems to be two steps ahead of his enemies. See them in Star Trek Into Darkness.

Ishmael is a quiet observer on a larger-than-life quest. See them in Moby Dick.

After Otto Octavius' accident, he becomes fixated on finishing the reactor at any cost. See them in Marvel Cinematic Universe.

When he's not working as a detective, Lucifer is driving around in a black convertible or having one-night stands. See them in Lucifer.

Harrison Wells is a brilliant scientist full of secrets. See them in DC Extended Universe.

His name is Inigo Montoya and whoever killed his father should be prepared to die. See them in The Princess Bride.

Esmeralda's street wisdom is unparalleled. See them in The Hunchback of Notre Dame.

Tamaki Suoh is always the star of the scene because he's the one making a scene. See them in Ouran High School Host Club.

Just a hint of human emotion lurks under the enigmatic exterior of Rei Ayanami. See them in Neon Genesis Evangelion.

Roxie Hart can shoot for the stars even from behind bars. See them in Chicago.

Sue Sylvester has a win-at-all-costs philosophy, a bizarre fixation on a school singing club, and a fashion style that involves a red tracksuit. See them in Glee.