Fanon:River Kalashnikov

River Kalashnikov is a fairy who live in Moonlight Falls, he lives with a weird scientist, Raven Sin. According his bio, he once a gun and become a fairy for unknown reasons. He was taken home by Raven for research, luckily Raven isn't insane. He can apprehend burglar, which is a nod to that he once a gun.

Raven and River are similar to Manzhu Sha and Rifle Armalite.

Trivia

 * According to his black-and-brown-impression appearance, name and bio, he is most likely to be an AK assault rifle.
 * He and another gun fairy, Rifle, are perhaps the two most famous gun-styles in the world (AK and AR). In real life and fiction, AK-style guns always have a more villainy image than AR-style guns, River also looks more like a bandit than Rifle.
 * He is a reference to the elves or fairies who once objects in eastern folklores.