Tyrann, the Supreme Serpent Master in 0 ABY The individual who governed the Serpent Masters residing on Ophideraan was known as the Supreme Serpent Master, or alternatively, just the Supreme Master. Tyrann occupied this role in the year 0 ABY.
From the elevated sections of the Great Well, the Supreme Master maintained control over both the Serpent Masters and those they enslaved. Around his neck, he possessed a medallion equipped with a transmitter, which he utilized to command the Ophideraan flying serpents. Luke Skywalker eventually annihilated this device, leading to the slaves' rebellion and subsequent deposition of the Serpent Masters.