Principal Antilles was a Kel Dor male Jedi Master and the head of the older Padawans at the Jedi Temple on Coruscant. First appearing in Ronald Potter and the Jedi Holocron, Antilles served as a deuteragonist/background character.
As principal, his duties included sending letters welcoming new students to the academy, including Ronald Potter. He was also an instructor who taught Padawans in the areas of science and philosophy. Courses taught by Antilles included instruction in the scientific method, the biology of non-Human species, galactic ecology, and the basics of droid construction. He wore a mask that resembled Plo Koon’s.