He has a very striking appearance: flames for skin, a demon’s head and eagle’s claws.
He also owns a thunder beast called RAIJU which he sends in the form of a fireball, leaping through trees and clawing at things.
It is not advisable to sleep outdoors during a thunderstorm — apart from getting terribly wet, RAIJU may join you when he gets tired. He curls up in your belly button for a snooze and RAIJIN has to wake him up with fire arrows. This is not a good way to have your navel pierced.