Petr Kumandžas
J.J. Oker Petrov (Malý Soudruh)P. Kumandžas
Jižní Pól Půlnoc Babalet Abraxas Marsyas Jolly Joker And The Plastic Beatles Of The Universe Pravda Egypt Svatopluk
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Czech drummer, bass guitarist, vocalist, composer, bandleader.
Also known as “Jolly Joker” or “J.J. Oker”.