The Piper of Auron is the leader of the Auron tribe. He forced Penn to deceive Lief, Barda and Jasmine and used them to destroy the dome around the island of Auron.
The unnamed Piper of Auron is the only current Piper who has not been named. He is also the only Piper not to be named since the Piper before the splitting of the Pirran Pipe.