Seetoo Enntoo, more commonly identified as C2-N2, functioned as a Hollis-series steward droid under the ownership of the Jedi Master referred to as the Barsen'thor. In the year 3643 BBY, C2-N2 was stationed aboard the Jedi's Defender-class light corvette where his duties included the upkeep of the starship and guaranteeing the well-being of the Jedi's personnel.