Bruno Mars, Nicki Minaj, Will.i.am and Questlove all voice themselves in this episode, while Ye as usual voices namesake Kenny West.
At the end of the episode, Kenny West blurts out that he's 'Kanye West' before covering up with 'Kenny West'. Kanye West provides the voice of Kenny.
During the song that the Hip hop Illuminati sings, they mention drinking beer with Jimmy Hoffa. But when they show the scene, you can see he is in a head jar from the show 'Futurama'.
The backwards-talking heard during the Illuminati ritual is the name "Gandolfini" repeated a number of times.