Because you like America in Axis Powers Hetalia

Garnet is a Crystal Gem who'll protect her friends with her life. See them in Steven Universe.

Working as a captain in the American Expeditionary Forces and a spy for British Intelligence, Steve Trevor wants to end World War I once and for all. See them in DC Extended Universe.

For Kazuya Mishima, the power of the Devil is now his and his alone. See them in Tekken .

A Silurian lizard woman, Madame Vastra has a penchant for puzzles and interspecies romance. See them in Doctor Who.

This barber doesn't cut hair. Sweeney Todd sends his clients down a chute to be baked into his partner-in-crime's pies. See them in Sweeney Todd: The Demon Barber of Fleet Street.

A dedicated hedonist, Jack Harkness appreciates raunchy stories, stiff drinks, and excellent bottoms. See them in Doctor Who.

A courageous boy robot, Mega Man is dedicated to achieving everlasting peace. See them in Mega Man.

L is enigmatic, child-like, and one of the smartest people in the world. See them in Death Note.

A cruel pirate, Captain Hook still fancies himself a gentleman. See them in Peter Pan.

John Yossarian is trapped in irony as he must be insane to leave the war but if he does try to leave, he'll be deemed sane and will be forced to stay, See them in Catch-22.

A brilliant intelligence officer, Eve Polastri seems more like Bridget Jones than James Bond. See them in Killing Eve.

Give in to the dark side with vampire Lestat; it's more fun. See them in Interview with the Vampire: The Vampire Chronicles.