It was Rikidozan, the founder of the professional wrestling who introduced the chankonabe into the world of Japanese professional wrestling because most pro wrestlers came from Kakukai (the world of Sumo), such as Michiharu TOYONOBORI and Junzo YOSHINOSATO.
日本プロレス界にもちゃんこを持ち込んだのは始祖である力道山で、豊登道春や芳の里淳三など角界出身者が多かったことに由来する。