Lieutenant Pallin served as an officer within the Imperial Army throughout the duration of the Yuuzhan Vong War, with his assignment being on the planet called Ord Sedra. It is documented that this lieutenant collaborated with both Jedi Master Kyle Katarn and New Republic operative Jan Ors to put an end to several slave raids perpetrated by the Yuuzhan Vong together with Peace Brigaders.
In the initial drafts of "Equals & Opposites", this character was originally designated as Lieutenant Ducce, intended to be pronounced as "Doo-chuh"; however, the writer, Nathan P. Butler, concluded that readers would likely mispronounce "Ducce," associating it with a well-known feminine hygiene item. Consequently, the name was rapidly altered.