Because you like Cosmo Kramer in Seinfeld

Joe Goldberg works at a local bookstore and charms most girls sock's off. He is also a serial killer, but no one is perfect! See them in You.

Wheatley's got an endless supply of bad ideas that he wants to share. See them in Portal Series.

Molly Weasley runs a household teeming with magic: gnomes run around the garden, dishes wash themselves, and noisy ghouls rule the attic. See them in Harry Potter Series.

Others see him as the town nutcase, but Flint Lockwood knows his inventions will change the world someday. See them in Cloudy with a Chance of Meatballs.

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

Will Herondale is an emotionally distant bad boy with a secret. See them in Clockwork Angel .

Smart, sarcastic, and loyal, Stiles Stilinski doesn't just want to be the sidekick in someone else's life. See them in Teen Wolf.

Nadia Vulvokov is a no-nonsense broad with a dark sense of humor and a flippant attitude. See them in Russian Doll.

Benoit Blanc is Sherlock with Southern charm, and a mysterious benefactor. See them in Knives Out.

Nomi Marks is a brilliant hacker with an open-minded, accepting spirit. See them in Sense8.

Goh Peik Lin is funny, unfiltered, and a fiercely supportive friend. See them in Crazy Rich Asians.

Milo Thatch is an enthusiastic researcher without cynicism. See them in Atlantis: The Lost Empire.