Because you like Mr. Pink in Reservoir Dogs
Thanos is an intergalactic warlord, on the hunt for infinite power. See them in Marvel Cinematic Universe.
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.
In Dennis Reynolds' mind, only a psycho wouldn't have a six-part system to bring home women. And he should know. See them in It's Always Sunny in Philadelphia .
This bite-sized, power-hungry plankton is determined to uncover the secret recipe for the Krusty Krab burger. See them in SpongeBob SquarePants.
Ursula will oh-so-generously grant your wishes for a price. See them in The Little Mermaid.
Just call Jeff Lebowski The Dude. Or His Dudeness, Duder, or El Duderino if you're not into that whole brevity thing. See them in The Big Lebowski.
Trevor Phillips is an unpredictable maniac who tortures people for no reason. See them in Grand Theft Series.
Lying is the most fun a girl like Alice can have without taking her clothes off. See them in Closer.
Jessica Rabbit isn't bad. She's just drawn that way. See them in Who Framed Roger Rabbit.