Because you like Cookie Monster in Sesame Street

The cutest kitty this side of the galaxy, Nepeta Leijon is mischievous, caring, and obsessed with romance. See them in Homestuck.

When push comes to shove, the usually overly cautious Luigi has the heart of a hero. See them in Super Mario Bros..

Sydney Novak claims she’s “not special,” but her self-reportedly average life changes quickly once she begins to develop powers she can’t control. See them in I Am Not Okay With This.

Drusilla's hobbies include dolls, music, and killing people. See them in Buffy the Vampire Slayer.

Marv is a brutish but principled thug who'd be right at home on an ancient battlefield. See them in Sin City.

On the outside, Gwen seems meek and calm. But she has an inner core of steel. See them in Merlin.

Leonard "Bones" McCoy is passionate, moral, and ready to stitch you back together. See them in Star Trek.

Strong-willed Norah Silverberg isn't willing to be the goody bag at anyone's pity party. See them in Nick and Norah's Infinite Playlist.

Andy Dwyer might not be completely literate, but he makes up for it in spirit. See them in Parks and Recreation.

Jeff Winger thinks he's too cool for school, which is a problem because he just enrolled in community college. See them in Community.

Beneath Yuji Sakai's meek exterior lies an exceptionally keen mind and a strong inner will. See them in Shakugan no Shana.

A former child mayor fallen from grace, Ben Wyatt is still trying to pick up the pieces years later. See them in Parks and Recreation.