Because you like Minerva McGonagall in Harry Potter Series

Howard Wolowitz is an engineer whose serious mommy issues somehow haven't dimmed his confidence. See them in The Big Bang Theory.

Squidward Tentacles is a pretentious clarinet player in search of peace and quiet. See them in SpongeBob SquarePants.

Javert is an inspector with a single-minded focus: to bring criminals to justice. See them in Les Miserables.

If anyone can speak truth to power, it's Atticus Finch. With elequent monologues, he forces everyone to face hard truths. See them in To Kill a Mockingbird.

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

How lucky are we that Arthur Curry, the King of Atlantis, hasn't taken over the surface world? Very! See them in DC Extended Universe.

Mike Wheeler loves Dungeons and Dragons, even after his real life starts imitating the game. See them in Stranger Things.

Peter Venkman's "research" projects are designed to get undergraduate students to sleep with him. Though it turns out he can bust ghosts. See them in Ghostbusters.

Luis is a deliverer of silver linings and long-winded stories. See them in Marvel Cinematic Universe.

Donna Carmichael is a free-spirited single mom and gracefully aging hippie. See them in Mamma Mia!.

Pure charm, flirty and fashionable, Lando Calrissian will make sure to get the job done when necessary. See them in Star Wars Series.

A powerful priestess, Melisandre is shrouded in mystery and lots of red. See them in Game of Thrones.