Jeffy

"What? You don't scrub a plasma injector. Those things are stored in sealed containers and fused into engines. Is this some kind of joke? Did Jeffy put you up to this?"

- A Nym fuel technician

Jeffy was an individual who lived during the time of the Galactic Civil War. One of Nym's fuel technicians knew Jeffy.

Behind the scenes
Jeffy was first mentioned in Jump to Lightspeed, the 2004 expansion pack for the 2003 video game Star Wars Galaxies: An Empire Divided, a massively multiplayer online role-playing game developed by Sony Online Entertainment and published by LucasArts, prior to its closure on December 15, 2011.