Because you like Alyx Vance in Half-Life 2

Saul Goodman can get just about any lying crook off the hook in court. Well, as long as he can make a buck out of it. See them in Breaking Bad.

Jessica Rabbit isn't bad. She's just drawn that way. See them in Who Framed Roger Rabbit.

Beware! Anton Chigurh carries a coin with him, which he forces his victims to flip to decide whether they will live or die. See them in No Country for Old Men.

An off-beat dork, John Egbert is funny, inventive, and endlessly optimistic. See them in Homestuck.

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

A vampire hunter, Integra Hellsing doesn't tolerate failure, least of all her own. See them in Hellsing.

Lois Lane's journalistic success is the result of her tenacity. She will doggedly pursue her leads until discovering the information she needs. See them in DC Extended Universe.

Jack Bauer is a terrorist fighter who is scared of nothing and no one. The clock is ticking! See them in 24.

When the safety of Hyrule is at stake, Princess Zelda does not hesitate to sacrifice herself for the good of the land. See them in The Legend of Zelda.

A few millennia in the mortal realm have caused DEATH to be quite enamored of life. See them in Discworld.

Cosmo Kramer is an eccentric schemer whom you might know better as the "Assman." See them in Seinfeld.

Roger Kint is a nervous, weak, ham-handed criminal. We think. See them in The Usual Suspects.