Because you like Yelena Belova in Marvel Cinematic Universe

Small in stature, Clara Oswald has a big appetite for adventure. See them in Doctor Who.

Hiccup Haddock III may be the only Viking nerd in recorded history. See them in How to Train Your Dragon.

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.

Both brave and foolhardy, Thomas trusts his instincts above all else. See them in The Maze Runner.

Beca Mitchell fancies herself an edgy loner, but it turns out being part of a group can be aca-amazing. See them in Pitch Perfect.

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

Susanna Kaysen is an aspiring writer, despairing young woman who struggles with suicidal thoughts. See them in Girl, Interrupted.

Jenna Rink is physically 30 but emotionally 13. She has a better excuse than most. See them in 13 Going on 30.

Motivated by a strong sense of curiosity, fleet-footed Lina Mayfleet is happiest when she's on the move. See them in The City of Ember.

An infamous vampire, Alucard is a one-man killing machine with a philosophical side. See them in Hellsing.