Celebrate National Cucumber Day by learning about the cucumber-loving yokai, the kappa | SoraNews24 -Japan News-
The adorable frog-alligator-platypus tetranodon is a mix of a kappa, a water dwelling yokai, and a sumo wrestler. It even eats cucumber-like slugs (on the monster hunter twitter), much like the kappa. :
SITO Artchive: 'Kappa in his Cucumber Plane' by Caitlin Lehman