I have *accidently* stumbled upon the ending of Ep5 - Rise of the Pirate God.
Via Scribblenauts, a children's DS game.
If you type in "Guybrush Threepwood", it says
"Mis-spelled word, did you mean "God""
So Guybrush IS the pirate god!
Way to ruin it Scribblenauts!