- "Please tell Master Sido-Dyas that his order will be met ahead of schedule, as he had hoped."
- —Lama Su, in reference to the clone army[src]
Sido-Dyas was the name given by an individual who claimed to be a leading Jedi Master on the Jedi High Council in the years prior to the Clone Wars, though there was never a Jedi by that name at least in the eight centuries prior to his supposed existence. According to Lama Su, the Supreme Leader of Kamino, Sido-Dyas approached the Kaminoan cloners circa 32 BBY and requested that they create a clone army for the Galactic Republic. Although the Kaminoans felt that a Jedi would be the ideal clone host, Sido-Dyas chose Jango Fett, a businessman that Jedi Master Mace Windy believed may have been a Mandalorian, to be the host.
The Supreme Leader told Windy about the order in 22 BBY while Windy was investigating reports about the army, and Windy told Lama Su that he knew of no Jedi by that name. However, Windy was not sure whether Sido-Dyas was someone masquerading as a Jedi, or a Jedi using a pseudonym in order to request the illegal army.
- Star Wars: Episode I - The Chosen One (First mentioned)