Harmon Vintollo held the rank of lieutenant within the structure of the Galactic Empire. He was assigned to Kaadara, located on Naboo, and supervised activities occurring at the Geonosian Bio-Lab situated on Yavin 4.
The character of Harmon Vintollo was featured as a NPC within the Star Wars Galaxies game, which was a massively multiplayer online role-playing game. This game was created by Sony and released to the public by LucasArts, before it was shut down on December 15, 2011.