Because you like Moist von Lipwig in Discworld

A short-tempered guy, Bowser is determined to wreak havoc on the Mushroom Kingdom. See them in Super Mario Bros..

Greg Heffley will be famous someday, but now he's stuck in class with morons. See them in Diary of a Wimpy Kid.

A stylish agent, Agent J would rather improvise than play by the rules. See them in Men in Black.

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

With his good looks and magnetic personality, Will Smith seems destined to be a Hollywood megastar. See them in The Fresh Prince of Bel-Air.

In charge of stocking the office's supply of cigarettes and liquor, Joan Holloway could run the whole company if they would let her. See them in Mad Men.

Thanos is an intergalactic warlord, on the hunt for infinite power. See them in Marvel Cinematic Universe.

Nomi Marks is a brilliant hacker with an open-minded, accepting spirit. See them in Sense8.

An off-beat dork, John Egbert is funny, inventive, and endlessly optimistic. See them in Homestuck.

Not only will Emmett Brown's time-saving gadgets help you travel with ease, his tinkering on your car will help you get wherever you need to go. Fast. See them in Back to the Future.

Major Marquis Warren is a talkative, sharp-eyed, and cold-hearted Civil War soldier-turned-bounty hunter. See them in The Hateful Eight.

A champion of chivalry, Don Quixote is dutifully bringing good to the world—even when others think he's out of his mind. See them in Don Quixote.