Grans, natives of the planet Kinyen, are the first enemies you will run into in Jedi Knight . They are found in both levels one and two, and reappear in level 5.
Grans are found in two different colored outfits, basic brown clothing, or an alternate all black. The ones in black clothing can take more damage than the brown-clothed ones, albeit a very little difference. Both versions either fight hand-to-hand, carry a Stormtrooper rifle, or throw thermal detonators.