Well, as for Ethan's Pikachu and Ethan's Raichu (ex?), no baby Pokémon has evolved into its respective basic since the end of the Diamond and Pearl era, so I don't see why Pokémon should need to print Ethan's Pikachu and Ethan's Raichu. Also, N's Purloin was a notable Pokémon of his, but not one...