shachu (Japanese: サトチュウ Satochu) is a fanon term used to describe Ash Ketchum as a Pikachu.

In Hocus Pokémon, Ash and his friends encounter a witch named Lily who claims to be able to make a spell that allows the user to think like a Pokémon. Ash, Brock, and Misty all try to help her complete the spell. At the end of the episode, the spell is put onto Ash, but instead of literally being able to read a Pokémon's mind (as predicted), the spell turned him into a Pikachu because of an accident on L