R2-D0

R2-D0 (Artoo-Deo) was Tiree's R2-model astromech utility droid, R2-D0 was known as "Deo." Deo managed to escape from the various scrapes Tiree was caught in, and assisted several groups of Alliance agents in rescuing Tiree.

Source
Game Chambers of Questal, by Robert Kern, copyright 1990, from West End Games

Star Wars: The Roleplaying Game, First Edition, by Greg Costikyan, copyright 1987, from West End Games