Because you like Cookie Monster in Sesame Street

Tobias "Four" Eaton is only afraid of four things, but you should probably be afraid of him. See them in Divergent.

Despite this being Robin Buckley's first rodeo with the strange things that go down in Hawkins, she is quick to adapt and proves herself to be a loyal friend. See them in Stranger Things.

A master manipulator, Frank Underwood has a tight grip on Washington DC. Plus who doesn't like having a leader who frequently tosses off Shakespearean asides? See them in House of Cards.

A bookish know-it-all with a bossy streak, Hermione Granger always stands up for what she believes in. See them in Harry Potter Series.

Joey Tribbiani's true passions in life are acting, sandwiches, football, sex, and asking ladies, "how you doing?" See them in Friends.

Cassie Sullivan is resilient and resourceful, but she's not quite as brave as she pretends to be. See them in The 5th Wave.

A girl who grew up on stories, Meggie Folchart is as loyal and intrepid as one of her fictional heroines. See them in Inkheart.

When a half-breed breaks the rules, John Constantine deports them straight back to hell. He's trying to buy his way into heaven. See them in Constantine.

John Tyree has survived heavy gunfire and aggressive enemy soldiers. But can he handle a girl? See them in Dear John.

You don't teach a class called "How To Get Away With Murder" without knowing a thing or two about getting away with things. See them in How to Get Away with Murder.

From secret organizations to alien attacks, Kyon's life has been one weird, unexplainable thing happening after another. See them in The Melancholy of Haruhi Suzumiya.

It's hard enough fighting a war. But it's worse for Commander Shepard, knowing no matter how hard you try, you can't save them all. See them in Mass Effect.