: Koko grows up believing he is a Pokémon, swinging from vines and speaking in "Pokémon speech".
Secrets of the Jungle: Why "Pokémon the Movie: Koko" is a Must-Watch Pokemon Movie 23: Koko
The movie centers on , a human boy raised in the Forest of Okoya by a solitary Mythical Pokémon named Zarude . : Koko grows up believing he is a