Chris Tietz is a Walt Disney Imagineering employee who helped design the original Star Tours attraction. He came up with the idea of taking Audio-Animatronic geese from Disneyland's now-defunct America Sings attraction to create the G2 repair droid for Star Tours.[1]
Sources
"Star Tours: Taking Off on a Star Tour" — Star Wars Insider 104
Imagineering Star Tours, Part 2: Lightspeed to Endor on StarWars.com (original link is obsolete)
