What's that Pokémon?

Ash plays a game on his Game Boy while Pikachu looks distressed; Misty laughs at the scene, and Brock stands with a large creature behind him.,haraya,artist,roronoa zoro,one piece,anime,fandoms,Ranma 1/2,Anime OldSchool,Pokemon Crossover,Pokemon,Pokémon Art,pikachu,Pokedex,Pokemon Characters,brock