Because you like Alan Garner in The Hangover

It doesn't matter how noble or brave he is. Jon Snow is a bastard, and people don't let him forget it. See them in Game of Thrones.

Raiden is an efficient soldier haunted by his repressed past. See them in Metal Gear Series.

Sylar's victims are found all over the country, many with their brains removed. See them in Heroes.

SpongeBob SquarePants lives in a pineapple under the sea. Absorbent and yellow and porous is he. See them in SpongeBob SquarePants.

Mario is a plumber who wears a ridiculous outfit, eats weird looking mushrooms, and fits himself inside your pipes so he can save a princess. See them in Super Mario Bros..

While Jay Gatsby doesn't necessarily like to attend his parties, he knows how to throw a world-class bash. See them in The Great Gatsby.

Kathryn Merteuil may be a vain sociopath, but you won't be able to look away. See them in Cruel Intentions.

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.

Stoic, cynical, and brilliant, Solid Snake was genetically engineered to be the perfect soldier. See them in Metal Gear Series.