Raijin

Japanese god of lightning

Raijin (雷神; lit. "Thunder God"), also known as Kaminari-sama (雷様), Raiden-sama (雷電様), Narukami (鳴る神), Raikō (雷公), and Kamowakeikazuchi-no-kami is a thunder god in Japanese mythology and the Shinto and Buddhist religion. He is typically depicted with fierce and aggressive facial expressions, standing atop a cloud, beating on den-den daiko drums with tomoe symbols drawn on them.

From Wikipedia, under CC BY-SA. More on occurri.