Rainstorm, Sheyenne

A renowned gunslinger capable of wielding the enigmatic ARMS weapons. Reborn into the body of a 10-year-old, he attempts to comprehend what has transpired.
He is known as the reincarnation of the King of Evil due to the mark on his back, present since birth. As years have passed, Sheyenne has ended up in the body of a 5-year-old child. Thus, he must locate his true body alongside Dr. Kiel Arronax, Isaac the Pippepo Poppepi, and other companions.