23rd Oct: It's time for the second TV Tropes Halloween Avatar Contest, theme: cute monsters! Details and voting here.
Tapo Tapo is actually an aged wish that was never granted.He has markings only found on wishes. Fudan is already taking on a similar shape to Tapo Tapo.
The wish that created Fudan was for an elephant for a pet.That kid is never getting an elephant, and thus Fudan will never be granted.