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. :
Kappa Members - Comic Vine
Kappa or Frog by MonkeyOfTheWest on DeviantArt
Kawaii Japanese Mythology Kappa Sticker Cute Frog on Lily | Etsy Ireland
povezava Teta potem kappa cartoon - paulfranksarchitecture.com
The Kappa and the Frog by Themrock on DeviantArt
Japan Society - Kappa - Water Goblin A creature with frog-like skin, a beak, a tortoise shell on the back and a plate on its head that is filled with water. Despite
Mermay 18 - Kappa Frog by twinskitty on DeviantArt