It is a general term for Danshi TATEKAWA, Enraku SANYUTEI (the fifth) (retired), Shincho KOKONTEI and Ryucho SHUNPUTEI (the fifth), rakugoka in Tokyo who were young at the time, and emerged with the entertainment boom arisen mainly from TV in the 1960s.
1960年代にテレビを中心にして起こった演芸ブームで台頭した、東京の当時の若手落語家立川談志・三遊亭圓楽(5代目)（引退）・古今亭志ん朝・春風亭柳朝(5代目)の総称。