Kappa
- The Kappa appears in Hellboy: Sword of Storms. Hellboy had to subdue it and drain it of its water in order to gain specific information from it.
- In Tokyo Mew Mew, Kish created a Chimera Anima version of a Kappa (namely the Hyōsube type) from Aoyamada's spirit.
- In the anime OVA Karas, Suiko the Kappa (voiced by Keith Burgess) is a Mikura (a yōkai turned blood-drinking machine) that resembles a robotic Kappa. It conceals itself in the form of a wrestler.
- In the MMORPG game AdventureQuest Worlds, there are enemies called Kappa Ninjas. They come in two types: a blue Kappa Ninja and a green Kappa Ninja with an orange shell.
- Nitori Kawashiro from the Touhou Project game Mountain of Faith is a Kappa.
- In the video game Muramasa: The Demon Blade, the main characters battle Kappa that are always located by a river.
- Ouji Karasuma from School Rumble owns rain gear which draws many characteristics of Kappa. He lends the set to Tenma in one episode.
- The Pokémon Golduck appears to be based on the Kappa legend.
- In the anime Arakawa Under the Bridge the mayor of the river claims to be a Kappa.
- In Nura: Rise of the Yokai Clan A kappa is seen many times
- In InuYasha Jaken was a kappa that followed Sesshomaru around, serving him faithfully.
- In Gintama episode 21 the Yorozuya help a kappa-like Amanto defend his lake from developers who want to get rid of it.
Read more about this topic: Japanese Mythology In Popular Culture