Because you like Captain Phillips in Captain Phillips
Optimus Prime is a shapeshifting sentient robot leading a team of robots to stop evil from taking over. See them in Transformers.
Ellen Ripley defines the word "badass." When she's not leading her crew on an interstellar voyage, she's slaying terrifying creatures. See them in Alien.
Stranded on Mars, Mark Watney is armed with quick wits, an electronic diary, disco music, and an undying resolve to make it back. See them in The Martian.
Violet Parr is an angsty teen would love to become even more invisible than her superpowers allow. See them in The Incredibles.
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.
As a monster-hunter cursed with supernatural abilities, Geralt of Rivia is a cynic burdened by scruples in an unscrupulous world. See them in The Witcher.
Bedside manner is for chumps, not the brilliant Dr. Gregory House. See them in House M.D..
Taking down villains, standing up to sexism, and pulling off a bright-red lipstick are all in a day's work for Agent Peggy Carter. See them in Marvel Cinematic Universe.
Aragorn is the one true king, a title he is too humble to accept. See them in The Lord of the Rings.
Imperator Furiosa is a badass patriarchy toppler. She'll do anything to secure a better, freer future for the women she cares for. See them in Mad Max: Fury Road.
Even the smallest person can change the course of the world, if he's brave enough. See them in The Lord of the Rings.
If you hang out with Bender in cool dive bars in 31st century New York, make sure you're on his "Do Not Kill" list. See them in Futurama.