Because you like Billy Costigan in The Departed

Dolores Umbridge keeps her villainy hidden (albeit poorly) behind a sheen of sugary pink politeness. See them in Harry Potter Series.

The destroyer, Drax lives for one thing and one thing only: revenge. See them in Marvel Cinematic Universe.

Anger is a cantankerous hothead whose job is to get others riled up. See them in Inside Out.

For Jack Pearson, the best thing about having triplets is giving three times the love. See them in This Is Us.

Donna Meagle has a Benz, a fool-proof strategy to pick up men, and the number for R&B star Ginuine's direct line. Enough said. See them in Parks and Recreation.

There can be no doubt that Ben Linus is a huge liar. But one man's lies are another man's necessary steps to protect his people. See them in Lost.

A whip-smart NYU professor who is a master of her classroom but less confident in her love life, Rachel Chu comes into her own on a trip to Singapore. See them in Crazy Rich Asians.

A formerly righteous wizard, Saruman has been corrupted by the forces of evil. See them in The Lord of the Rings.

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

The Genie is the perfect buddy, granting every wish we might have and keeping life good-spirited. See them in Aladdin.

Remy Hadley is a closed book—a cynical, super-smart closed book. See them in House M.D..