Because you like Jean-Baptiste Grenouille in Perfume: The Story of a Murderer

When the going gets tough, Rick Grimes gets tougher. It's a very useful trait when the world goes to hell. See them in The Walking Dead.

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.

Trying to get through school without being a burden to anyone, Tohru Honda stays cheerful despite her difficulties. See them in Fruits Basket.

Stuck somewhere between life and death, Talion is motivated by one thing only: vengeance. See them in Middle-earth: Shadow of Mordor.

Number Five is a 58-year-old man trapped in his 13-year-old body. See them in The Umbrella Academy.

Kat Stratford is part of the "out" crowd and proud of it. See them in 10 Things I Hate About You.

Point the fun-loving Pippin Took towards second breakfast, and he's one happy hobbit. See them in The Lord of the Rings.

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

Jade Jade Harley might not be the best at reading social cues, but her bravery and selflessness means she's a great friend to have. See them in Homestuck.

Gotham's unhinged Clown Princess of Crime will call you puddin', then punch you in the face. See them in DC Extended Universe.

Gordie Lachance never had any friends later on like the ones he had when I was twelve. See them in Stand By Me.

Dipper Pines is investigating a truly strange town during the world's wildest summer vacation. See them in Gravity Falls.