For Mewtwo, the basis was Mew. For Shadow, the basis was not, actually, Sonic — at least not in universe. The legendary Pokémon and the moody 'edgehog are both synthetic beings, made in labs by ...

Sonic vs Shadow is a fan made short film written and directed by "João Filipe Santiago", with VFX and CGI done entirely by him, SFX and Mixing by ‪@amargemrecordsoficial‬ with original ...