Because you like Perry Cox in Scrubs

Herion is Mark Renton's favorite drug. He sniffs it, smokes it, swallows it, sticks it up his arse, and injects it into his veins. See them in Trainspotting.

Saul Goodman can get just about any lying crook off the hook in court. Well, as long as he can make a buck out of it. See them in Breaking Bad.

A self-professed psychopath, James kills small animals for fun. After getting bored of that, he is ready for an ambitious murder. See them in The End of the F World.

Introverted Kira Yukimura is sweet, bubbly, and eager to make friends. See them in Teen Wolf.

A brilliant intelligence officer, Eve Polastri seems more like Bridget Jones than James Bond. See them in Killing Eve.

Max Fischer is the President of every club who's fighting to save Latin at his school and kiss his teacher. See them in Rushmore.

A born psychopath, don't expect Michael Myers to understand the difference between right and wrong. See them in Halloween.

Kathy is a natural caretaker who strives to find hope in even the darkest of times. See them in Never Let Me Go.

Roger is a pansexual alcoholic non-human who will happily lie, cheat and steal to get what he wants. See them in American Dad!.

Susan Pevensie is sensible, practical, and fiercely protective of those she loves. See them in The Chronicles of Narnia.

Charlie Kelmeckis is a wallflower who's starting to blossom into something more. See them in The Perks of Being a Wallflower.