Manzai is a traditional style of comedy in Japanese culture comparable to double act comedy.
A pair of manzai performers at a New Year celebration; the tsukkomi at front, the boke behind him (artist unknown, 19th-century Japanese painting)
Print depicting two manzai comedic actors, also in a New Year setting; c. 1825
Yokoyama Entatsu and Hanabishi Achako established the talk show-centered manzai style. They were active since 1919.
All Hanshin-Kyojin, active since 1975.
The harisen is a giant paper fan, usually made in a closed fashion. It is most traditionally used as part of a manzai act, in which the straight man smacks the funny man in response to their jokes or
Manzai
…berate the boke and hit them on the head with a swift smack; one traditional manzai prop often used for this purpose is a pleated paper fan called a harisen (張り扇). Another traditional manzai prop is a small drum, usually carried (and used) by the boke. A Japanese bamboo and paper umbrella is another common…
Keiichi Yamamoto of Gokuraku Tombo being hit with a harisen