Because you like Eli Cash in The Royal Tenenbaums

Whether it's a companion he’s failed or lingering guilt from the war, the Doctor can never truly let go of his past lives. See them in Doctor Who.

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.

Peter Venkman's "research" projects are designed to get undergraduate students to sleep with him. Though it turns out he can bust ghosts. See them in Ghostbusters.

Kilgrave is a domineering, abusive boyfriend. Then, add in the power of mind control. See them in Marvel Cinematic Universe.

Basil Hallward is dominated, soul, brain, and power by Dorian. See them in Dorian Gray.

Spyro the Dragon loves getting into trouble around the Dragon Realms. See them in Spyro the Dragon.

Relentlessly cheerful and optimistic, Erin Hannon is an office receptionist. See them in The Office.

A determined and cold-hearted spy, Cassian Andor will do what it takes to stand up to the evil Galatic Empire. See them in Rogue One.

Christian is a romantic who for some reason won't stop singing everything he feels. See them in Moulin Rouge.

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

There isn't a man in the world who executes his job with more finesse than Monsieur Gustave H. See them in The Grand Budapest Hotel.