Because you like James Wilson in House M.D.

You'll never get Alaska Young. And that's the whole point. See them in Looking for Alaska.

Captain Spock is on a five-year mission exploring the final frontier and boldly going where no man has gone before. See them in Star Trek.

Though bold and pure of heart, Utena Tenjou has a fairytale vision of the world that can make her oblivious to its darkness. See them in Revolutionary Girl Utena.

Her unhappy childhood has left her unsure of the existence of happy endings. Mary Jane Watson hides her pain beneath a joke and a smile. See them in Marvel Cinematic Universe.

Rarity has been dreaming of the day her designs will dazzle Canterlot. See them in My Little Pony.

Brilliant but self-destructive, Lip Gallagher spends more time stirring up trouble than hitting the books. See them in Shameless.

Despite the dissolution of his state, Prussia hangs on – mooching off his younger brother Germany and reading comics. See them in Axis Powers Hetalia.

John Watson is haunted by his past (who isn't) but he's starting to branch out with some help from a world class detective. See them in Sherlock.

Klaus Hargreeves is funny, flirty, and high at any given moment, but he's also the most emotionally literate of his super-powered siblings. See them in The Umbrella Academy.

A contemptuous aristocrat, Violet Crawley is unafraid to exert her authority and voice her opinions, no matter how harsh they are. See them in Downton Abbey.

Ted Logan wants to party on, but if doesn't get an A+ on his history presentation, he'll flunk out and be sent to a military school in Alaska. See them in Bill & Ted's Excellent Adventure.

Stranded on Mars, Mark Watney is armed with quick wits, an electronic diary, disco music, and an undying resolve to make it back. See them in The Martian.