Comics › Planetary #23 Image 1 of 1 Planetary #23 $10.99 The secret history of the Drummer is revealed at last. From Warren Ellis and John Cassaday's Planetary (WildStorm), cover by John Cassaday. Add To Cart Added! The secret history of the Drummer is revealed at last. From Warren Ellis and John Cassaday's Planetary (WildStorm), cover by John Cassaday.