Respawn's Jedi games are centered around the Order 66 survivor Cal Kestis and his allies ... in Legends, the death of an ancient Sith Lord led to the creation of the Dagobah cave seen in The ...

Cal Kestis (portrayed by Cameron Monaghan) in Jedi: Survivor. Richtman doesn’t specify whether Cal would appear in a series or movie, but he would be a perfect fit for the Mandoverse.