Quinlan Vos was a character developed by Dark Horse comics based on a background character from Star Wars: Episode I - The Phantom Menace (1999). He was supposed to have a cameo appearance in Star Wars: Episode III - Revenge of the Sith (2005), but only ended up having his name mentioned by Obi-Wan. His personality differs greatly from the comic book version, although his ability to sense the history of objects by holding them is retained.
The song and the dance done by the Twi'lek girls in the Hutt palace is a parody of the song and dance "Anything Goes" performed in a similar manner as in Indiana Jones and the Temple of Doom (1984) which was produced by Lucasfilm
In connection to the parody of the song "Anything Goes" from Indiana Jones and the Temple of Doom, the club in which the original song was sung is called the 'Club Obi Wan', which was a nod from Steven Spielberg to George Lucas for his contributions to the Indiana Jones films.
Ziro's girlfriend 'Snooty' is Sy Snootles, the singer from the band playing in Jabba the Hutt's lair in Star Wars: Episode VI - Return of the Jedi (1983).