WaitBot
From Jenny Everywhere Wiki
WaitBots were robotic waiters with box-shaped heads, employed in Interstitial City, including at the Barbelith Baristas. One once brought Professor Cabbage a bottle of Griff Mont. (PROSE: Barbelith Baristas)
The Indifference Engine, an automaton crafted by Cabbage out of “scrap and recycled parts”, had a head resembling a WaitBot's. (PROSE: Professor Cabbage and the Indifference Engine)