Welcome Brothers and Sisters of the Royal Order of the Holy Mackerel.
I assume you've come here to get your hands on the Deed to the Mystery Shack. That's entirely possible - but you'll first have to decode AND answer the three riddles below.
NOTE: This challenge has been reduced to three riddles in order to decrease it's difficulty.
KEY: D=2 A=E
HINT: The final riddle has a TWO WORD answer!