In the "Star Trek: Discovery" episode "Choose Your Pain", Captain Lorca (Jason Isaacs) and Ash Tyler (Shazad Latif) are captured by Klingons in an inter-ship fracas, and locked up in a Klingon prison. By coincidence, they are thrown in a cell housing the familiar "Star Trek" villain Harcourt Fenton Mudd (Rainn Wilson), a notorious con man. Mudd explains that his only crime was "loving too much," and that he resents Starfleet officers for being "no fun." Lorca and Tyler hate him immediately. The original version of Harry Mudd is also hated by Trekkies. 

The prisoners have no food, and they begin to get hungry. Harry Mudd, however, already has a helper who has been secretly bringing him bites of food here and there: Stuart. Stuart is an palm-sized insect, seemingly of a dog's intelligence, that perches on Harry's shoulder. Stuart is able to crawl through a hole in the wall,...