Because you like Leonard Hofstadter in The Big Bang Theory

Privileged young Bruce's childhood was nearly perfect. Now, his life is anything but. See them in Gotham.

Evan is a sensible kid, but being sensible isn't going to help him lose his virginity. See them in Superbad.

Ultron is security software turned evil mastermind. See them in Marvel Cinematic Universe.

Driven yet empathetic, Emily Prentiss brings humanity to the pursuit of inhuman killers. See them in Criminal Minds.

Bodhi Rook is a defected pilot for the Galactic Empire dead set on destroying the Death Star. See them in Rogue One.

Darcy Lewis is a razor-sharp scientist studying things that science can't explain. See them in Thor.

Illiterate and oblivious, Crash Bandicoot is still a hero. See them in Crash Bandicoot.

Arwen has to choose between a life of loneliness or love and inevitible death, both rather unfortunate options. See them in The Lord of the Rings.

David Rossi may chase serial killers for a living, but he's more interested in what wine pairs well with tonight's parmigiana. See them in Criminal Minds.

Derek Shepherd is a talented and passionate neurosurgeon. Some people call him McDreamy. See them in Grey's Anatomy.

Stefan Salvatore was the golden boy when he was alive. Can he keep it up as a vampire? See them in The Vampire Diaries.

Gomez Addams fills his days with ghoulish and ghastly forms of recreation, enjoying life and all its pleasures to the fullest. See them in The Addams Family.