Because you like Khan Noonien Singh in Star Trek Into Darkness

Leonard Hofstadter is the normal one among his scientist friends, though in fairness that's a low bar. See them in The Big Bang Theory.

A working class janitor with a world-class mind, Will Hunting is cocky, brash, and combative about his future. See them in Good Will Hunting.

Deadpool thinks life is an endless series of train wrecks with only brief commercial-like breaks of happiness. See them in Deadpool.

You won't like him when Bruce Banner is angry. See them in Marvel Cinematic Universe.

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

A master manipulator, Frank Underwood has a tight grip on Washington DC. Plus who doesn't like having a leader who frequently tosses off Shakespearean asides? See them in House of Cards.

Harvey Specter depends on no one and gets his fulfilment from ambition, material success, and expression of his own worth. See them in Suits.

Gene Belcher dreams of a future in the limelight, and he doesn't let his lack of talent hold him back. See them in Bob's Burgers.

For Jack Pearson, the best thing about having triplets is giving three times the love. See them in This Is Us.

Tina Goldstein is better at getting the job done than following the rules. See them in Fantastic Beasts and Where To Find Them.

There's nothing like discovering dear old dad is a serial killer to send you into an (understandable) funk. See them in Hannibal.