JJH2, an astromech droid of the JJH2 model, operated during the Galactic Civil War era. This purple and black droid was a member of the Mighty Oak Apocalypse crew, a freighter under the command of Lohgarra, a Wookiee captain. Following the MOA crew's enlistment with the Rebel Alliance, the droid became part of Corona Squadron, functioning as a co-pilot aboard Corona Two in the Battle of Endor.
The character JJH2 initially featured in Lost Stars, a canon young adult book penned by Claudia Gray. This novel was released as part of the Journey to Star Wars: The Force Awakens collection.