[1] Kamon was born as Tatsuo Torikai on 25 March 1959 in Ibaraki, Osaka Prefecture, Japan.

While attending Osaka Prefectural Kasugaoka High School, he began studying as an apprentice to rakugo master Tsuruko Shōfukutei beginning in 1975.

[1][3] After graduating, he became a regular guest on the MBS Young Town radio program from April 1978 until September 1980.

[1][3] Kamon made his professional debut as a recording artist on 21 July 1983 with the release of his single Yankee no Niichan no Uta.

[1][3] Kaeuta Medley, a single released in 1991, sold over 820,000 copies and was Kamon's first big hit.