The Great Riddler is a giant Ichyoid living in the Riddle Grotto.

Sequence of passing the Riddle Grotto: Saturday, March 8, 2008(E)

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.