Because you like Ben Stone in Knocked Up

Spencer Reid's super-smarts helps catch killers, and his social awkwardness endears co-workers. See them in Criminal Minds.

This mathematical genius doesn't have time for small talk; Alan Turing needs to break Enigma, the Nazi's cipher machine. See them in The Imitation Game.

Tony Stonem is the golden boy of Bristol. Problem is, he knows it. See them in Skins.

Everything is fascinating to Octavia Blake who has been locked away for her entire life. See them in The 100.

Rory Williams is a caring companion whose specialty is looking after others. See them in Doctor Who.

For someone who swears she doesn't care for anyone, MJ Jones spends a lot of time observing her classmate Peter Parker. See them in Marvel Cinematic Universe.

The crown prince of the Fire Nation, Zuko has been ordered by his father to find the long-lost Avatar before he is allowed to return home. See them in Avatar: The Last Airbender.

Elio Perlman likes the piano, peaches, and his father's new research assistant a little too much. See them in Call Me by Your Name.

Konata Izumi has a live-now, worry-later view of the world. See them in Lucky Star.

A dedicated hedonist, Jack Harkness appreciates raunchy stories, stiff drinks, and excellent bottoms. See them in Doctor Who.

Funny, self-destructive, and in her own head, Fleabag has spent most of her adult life using sex to deflect from the screaming void inside her empty heart. See them in Fleabag.

He may seem like a charismatic leader, but Bellamy also has a ruthless, self-serving streak See them in The 100.