Inazuma Raigorō (Japanese: 稲妻 雷五郎; 1802 – March 29, 1877) was a Japanese sumo wrestler from Awazaki, Hitachi Province (now Inashiki, Ibaraki Prefecture). He was the sport's 7th yokozuna.
Source: “Inazuma Raigorō”, English Wikipedia (CC BY-SA 4.0), excerpt