Duke was the designation of a specific exoboar pup from the litter belonging to Sparky, a sizable exoboar animal companion cared for by the Ravagers pirate organization on the planet of Rishi. This occurred approximately around the time of the Battle of Rishi during the [Galactic War]. Ruugar, the Ravagers' previous commander, employed individuals from other planets to raid the Ravagers' settlement in Coratanni Town with the intention of killing Coratanni, his disloyal second-in-command. During this raid, Duke, along with the other exoboars from Sparky's litter, who were guarding the town's entrance alongside their mother, were killed by the offworlders.
Duke is featured as one of more than twelve uniquely named exoboars that engage players in combat during the Sparky encounter in "The Ravagers." This Operation was incorporated into the video game Star Wars: The Old Republic as part of the 2014 Digital Expansion titled Star Wars: The Old Republic: Shadow of Revan.