Raiden Tameemon (雷電爲右衞門), born Seki Tarōkichi, was a Japanese sumo wrestler from Tōmi, Nagano Prefecture. He is considered one of the greatest rikishi in history, although he was never promoted to yokozuna. To date, he holds the record for best top division win ratio of all time.

Onogawa Kisaburō was a Japanese sumo wrestler from Ōtsu, Ōmi Province. He was the sport's 5th yokozuna. Along with Tanikaze, Onogawa was the first to be given a yokozuna licence during his lifetime. He is described as a leading figure of sumo during the Kansei era.