Cha-Cha, the singer with the fruit hat is a parody of Carmen Miranda.
The hidden message, "Aknot! Wot?" is the title of the main song from the movie, 'The Fifth Element'.
This Level also requires the Secret Exit to A Full House.
This level (and Mr. Splashy's) appeared in Grezzo 2, an italian Doom mod which is known for using resources from other Doom mods, and 2.5d games. In the Grezzo 2 version of level, you are in Saudi Arabia. The level is heavily reskinned, and modified in some ways.