Having to rescue three monkeys named Curly, Larry and Moe inside a giant talking tree, for a shaman who gives you a drink in a fish-shaped bottle that cures "alcoholism".
A painting penguin named "Penguincasso". Even more bizarre is that he's actually good at painting.
Dewey's casino. Specifically, the "Archery, Balloon-Style" game. It has a fairly low entry cost, and is much easier to make a profit off of than the other two games. It can also be finished quickly, allowing you to gain incredible amounts of cash in just a few minutes.
Aurora Chronos and Aurora Arcana, which give you twice as many turns and half MP cost, respectively.
Skarsgaard's Tripler ability is very cheap if you abuse it.
Danais and Remy.
The Postman sitting by himself outside the park at night can make some players feel bad for him.