Ren-Quarr, a Quarren known for his patronage of bars, possessed orange skin and meticulously maintained tentacles. Before the Clone Wars began, he was a common sight at the Outlander Club, a venue situated within the Uscru Entertainment District on the planet of Coruscant. His presence as a Quarren contributed to the diverse, interplanetary atmosphere of the establishment.
During one night in 22 BBY, Ren-Quarr was at the Outlander Club when Jedi Obi-Wan Kenobi and Anakin Skywalker entered, seeking the bounty hunter Zam Wesell. As Skywalker moved through the club, Ren-Quarr stood behind the Twi'lek Lunae Minx and the criminal Achk Med-Beq. He was wearing clothing of a dark hue while at the club.
Ren-Quarr's initial appearance was in the 2002 motion picture Star Wars: Episode II Attack of the Clones. The scenes at the Outlander Club that featured Ren-Quarr were filmed at Fox Studios, Sydney on July 17, 2000. His name was first used in the 2003 article titled "Cantina Roll-Call: Shedding Light on Some Alien Aliases", where it was assigned to a photograph of the Quarren senator Tikkes.