Why does it look like a double barrel shotgun but merged we are pistol making it a double barrel pistol

This is my type of gun I like to make

This is so cool these people made the own Halloween costumes

I'm the master of seasons

Lol

This is soooooooooooooooooooooooooooooooooooooooooooooooo cool

Why do they look so similar?!

Honestly ok

Was that the art of 87