Because you like Anna Smith in Downton Abbey

Optimus Prime is a shapeshifting sentient robot leading a team of robots to stop evil from taking over. See them in Transformers.

Nadine Franklin likes to wallow in her misery almost as much as she likes to torment her mother. See them in The Edge of Seventeen.

It's certainly easier to get great footage of crimes when you can guarantee they'll happen. See them in Nightcrawler.

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.

Ash Williams is a houseware clerk at S-Mart and the Chosen One. See them in The Evil Dead.

Mavis Dracula's interests are anything black, scream cheese, and flying around. See them in Hotel Transylvania.

It's hard to tell if Dean Winchester cares more about saving the world or his 1967 Chevy Impala. See them in Supernatural.

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

A daring conman, Flynn Rider is so charismatic that you might not mind when he steals from you. See them in Tangled.

Though Twilight might be opposed to it, her new friends might just be able to teach this serious-minded pony how to relax. See them in My Little Pony.

Mikasa Ackerman is a near-perfect soldier who won't break her stone-faced expression whether she's killing foes or protecting loved ones. See them in Attack on Titan.

Eren Jaeger will erase the Titans from this world until not a single one remains. See them in Attack on Titan.