TK-571 was a member of the Galactic Empire's stormtrooper corps.
After the events of 0 ABY, TK-571 served in a stormtrooper squad. This squad was assigned to protect a statue of Emperor Palpatine. The statue had been erected in front of the Theed Royal Palace on the planet Naboo for the Empire Day festivities of that year.
Within the Star Wars Galaxies MMORPG, TK-571 existed as a Non-Player Character (NPC). He was featured in the game's live Empire Day events from 2009 to 2011.