Because you like Ronald "Mac" McDonald in It's Always Sunny in Philadelphia

A hurricane of a human being, Marla Singer is destructive and unforgettable. See them in Fight Club.

You wouldn't know it by looking at her, but beneath Sheila Jackson's sweet, motherly exterior lies a sex addict. See them in Shameless.

Amy Santiago likes following the rules a little too much. See them in Brooklyn Nine-Nine.

In a rag-tag group of kids determined to take down the imperialistic Fire Lord, Katara is the glue that holds them together. See them in Avatar: The Last Airbender.

Society may reject Felicia, but this bubbly catwoman just wants to spread happiness to others. See them in Darkstalkers .

Mark Sloan is the best plastic surgeon and biggest playboy the hospital's ever seen. See them in Grey's Anatomy.

Hughie Campbell didn't ask to be a hero, but he's tired of injustice. See them in The Boys.

John Wick is a widowed former Navy Seal who becomes a notoriously effective hitman, killing over 124 people with gunshots alone. See them in John Wick.

Merlin is half awkward teenager, half super-powerful wizard. He serves Prince Arthur of Camelot during the day and illegally learns magic at night. See them in Merlin.

There must be quite a lot of fellows who haven't got anybody to bring them tea in the morning. Bertie Wooster is lucky to have his valet, Jeeves. See them in Jeeves and Wooster.

Kind and friendly, Rinoa Heartilly is nonetheless an effective freedom fighter. See them in Final Fantasy Series.