Appuchi was a male Human Sith Lord during the reign of Setal-ni. A member of the traditionally rich and pompous House of Set. Appuchi served under his Lord until the battle of Setesh in 3,963 BBY, when the House of Set was defeated and absorbed by the House of Mythos. Originally the apprentice of Vereor, Appuchi betrayed her late in his training so as to join the House of Set.