Because you like Cookie Monster in Sesame Street

A crooked cop, Harvey Bullock is the product of a not-so-just criminal justice system. See them in Gotham.

After Otto Octavius' accident, he becomes fixated on finishing the reactor at any cost. See them in Marvel Cinematic Universe.

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

Usually the life of the party, Laszlo is now seriously planning the vampiric takeover of the New World. Or at least Staten Island. See them in What We Do In The Shadows.

Living with a curse, Kyo Sohma is sick of being treated like garbage his whole life. See them in Fruits Basket.

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

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.

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

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

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

Kilgrave is a domineering, abusive boyfriend. Then, add in the power of mind control. See them in Marvel Cinematic Universe.