'The Mandalorian' Season 3's best cameo may seem a little Salacious

Creating an icon from mere maniacal cackling is a challenge, but it's one Star Wars achieved in 1983 with the introduction of Salacious B. Crumb.

This muppet-like onlooker, who lounged around Jabba the Hutt's palace in Return of the Jedi, functions mostly to taunt the crime lord's adversaries with his weaselly giggle. The...