The Crazy Cats (クレージーキャッツ) were a Japanese jazz band and comedy group popular on film and television, particularly from the 1950s to the 1970s.Led by Hajime Hana, the band's other main members were Kei Tani, Hitoshi Ueki, Hiroshi Inuzuka, Senri Sakurai, Shin Yasuda, and Ētarō Ishibashi.