Because you like Eric Foreman in House M.D.

Stanley Barber is a loveable goofball with impeccable (if eccentric) fashion sense, unique music taste, and a wealth of strange but useful knowledge. See them in I Am Not Okay With This.

Gilderoy Lockhart's biggest idol is himself. See them in Harry Potter Series.

Ianto Jones' withdrawn nature conceals his emotional pain. See them in Torchwood.

Raj Koothrappali is an astrophysicist who sees stars when he feebly tries to chat up women. See them in The Big Bang Theory.

A compassionate medical student, Martha Jones has found a Doctor she can really look up to. See them in Doctor Who.

Hank McCoy is a quintessential nerdy scientist but with a few rather unconventional physical attributes. See them in X-Men Series.

Michael Kelso gets by on his good looks and his openhearted nature. See them in That '70s Show.

Ted is a cursing, smoking, drinking teddy bear who's anything but cuddly. See them in Ted.

Jessica Davis is the girl that guys like to like. See them in Thirteen Reasons Why .

Back in his hometown, Richie Tozier has been punched, dragged to a crackhouse and now has to kill a clown. See them in It.

A star student destined for Princeton, nerdy Devi Vishwakumar dreams of losing her virginity to a stone-cold hottie who can "rock her all night long." See them in Never Have I Ever.

Fiery and adventurous, Amy Pond is the sort of woman you'd want by your side on a journey through time and space. See them in Doctor Who.