Because you like Alastar Mad-Eye Moody in Harry Potter Series

Mitchell Pritchett prefers to have a place for everything and everything in its place. See them in Modern Family.

Patrick Verona is a bad boy who's after a tough girl. See them in 10 Things I Hate About You.

This android may not have emotions, but Lt. Commander Data's curiosity about humanity is endless. See them in Star Trek: The Next Generation.

A self-proclaimed diva, Mercedes Jones is on the hunt for a stage worthy of her talents. See them in Glee.

Fiery and adventurous, Amy Pond is the sort of woman you'd want by your side on a journey through time and space. See them in Doctor Who.

Often the one to deliver bad news to the families of victims, Jennifer Jareau isn't sure this is what she signed up for. See them in Criminal Minds.

Linda Belcher doesn't prescribe to what society deems as "normal." She narrates her life through song, much to the alarm of everyone nearby. See them in Bob's Burgers.

The crown prince of the Fire Nation, Zuko has been ordered by his father to find the long-lost Avatar before he is allowed to return home. See them in Avatar: The Last Airbender.

Number Five is a 58-year-old man trapped in his 13-year-old body. See them in The Umbrella Academy.

Rupert Giles is a librarian on the outside, fearless evil-fighter on the inside. See them in Buffy the Vampire Slayer.

Facing off-the-charts murder, drugs, and teenage heartbreak in Riverdale, Betty Cooper pursues justice with help from her friends. See them in Riverdale.

Brian Griffin is the most scholarly member of the family—when he's not drunk on martinis. See them in Family Guy.