Because you like Seto Kaiba in Yu-Gi-Oh!

Pro: Johan Liebert is handsome and charming. Con: he's also a sociopathic killer. See them in Monster (TV Show).

When a half-breed breaks the rules, John Constantine deports them straight back to hell. He's trying to buy his way into heaven. See them in Constantine.

This lab mouse has one thing on his huge brain: trying to take over the world on a nightly basis. See them in Pinky and the Brain.

A genetic experiment engineered to be the perfect assassin, Agent 47 is cold, professional, and lethal. See them in Hitman.

As a monster-hunter cursed with supernatural abilities, Geralt of Rivia is a cynic burdened by scruples in an unscrupulous world. See them in The Witcher.

Sarah Kerrigan is pretty much the Queen Bitch of the Universe. See them in StarCraft .

From his attire to his form while running, aesthetics rule Rei Ryugazaki's life. See them in Free! Iwatobi Swim Club.

Lois Lane's journalistic success is the result of her tenacity. She will doggedly pursue her leads until discovering the information she needs. See them in DC Extended Universe.

Knuckles the Echidna is a 16-year-old red echidna (aka a spiny anteater) and guardian of the ancient Master Emerald. See them in Sonic the Hedgehog.

Dr. Gordon Freeman is a brilliant physicist is a quiet hero. And given all the violent aliens, he better be. See them in Half-Life.

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