Yo Yo Band is a Czech band from Prague formed in 1975 by Richard Tesařík, Vladimír Tesařík, Ondřej Hejma, and Julius Novotný Kuzma. The group achieved the peak of its success in the 1990s, with such hits as "Karviná", "Jedem do Afriky", "Rybitví", and "Kladno".