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. :
A Creature That Loves Cucumber As Much As Human Anuses - Yokai Toons
Kappa - The Kappapedia: cucumbers | Japanese folklore, Mythological creatures, Japanese art