Because you like Dr. Gordon Freeman in Half-Life

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.

Donna Pinciotti is strong, independent, and empathetic. No one messes with her. See them in That '70s Show.

Beneath Arthur's brash demeanor lurks the heart of a compassionate future king destined to unite the five kingdoms. See them in Merlin.

Relentlessly cheerful and optimistic, Erin Hannon is an office receptionist. See them in The Office.

For the sake of science, Kurisu Makise will persevere no matter how deep into the dark secrets of the world she finds herself. See them in Steins;Gate.

Years of brutal winters, foreign invasions, and crippling loneliness have left Russia's mental state far from wholly intact. See them in Axis Powers Hetalia.

Megamind is searching for purpose in a supervillain life without a superhero to fight. See them in Megamind.

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

Juno MacGuff is hoping sarcasm will get her through the stress of teenage life. And also, teenage pregnancy. See them in Juno.

Think you grew up fast? At 12, Mathilda is an aspiring assassin eager to avenge her family's murder. See them in Leon: The Professional.

Often the one to deliver bad news to the families of victims, Jennifer Jareau isn't sure this is what she signed up for. See them in Criminal Minds.