Apart from that: If you should wonder what those three lying figures are: Those are Heka, Hu and Sia taking a nap. Especially Sia (the revelation). And the joke is an obvious hommage to the Grandpa from "Yu-Gi-Oh: The abridged series". Which is something you start watching like, right now, if you haven´t already.
It is egyptilarious......nah, that´s not a good word.