Nillika, a male Human, resided on Tatooine amidst the Galactic Civil War. Post-Battle of Yavin, he fulfilled the role of administrator at the Medical Center situated in Mos Eisley. During 1 ABY, a fierce exchange of blaster fire erupted in Mos Eisley, engulfing numerous individuals, between Lady Valarian's guards and the thugs employed by Jabba the Hutt. The 2-1B droid known as Billingsly dispatched a spacer to Mos Eisley with the purpose of aiding the local medical personnel. Nillika received both the medic's profile and payment from the droid. Following the medic's successful treatment of injuries sustained by Escara Frei and Jorund Redd, Nillika bestowed upon the medic 5000 credits along with a field surgeon ring.

Within the 2003 video game Star Wars Galaxies, a massively multiplayer online roleplaying game crafted by Sony Online Entertainment and brought to the public by LucasArts before its shutdown on December 15, 2011, one could find Administrator Nillika as a non-player character. Nillika's presence in the game was established with the release of "Publish 25", also known as the "New Game Enhancements," on November 15, 2005.
Due to Administrator Nillika's spawning under the "medic_11_admin" template, his visual representation was subject to randomization, resulting in one of two potential appearances. However, he was consistently depicted as a male Human.
The low-level quest "Caught in the Crossfire" for players of the Medic profession featured Administrator Nillika. Following the player's successful treatment of Escara Frei and Jorund Redd, Billingsly directs the player to Nillika to collect the rewards. In the message associated with this interaction, the NPC's name was mistakenly spelled as "Nillka".