>>57769498Which would also explain why Diamond never evolves his Munchlax, besides staying gen 4 themed, staying unevolved would make its parentage more obvious than if it was allowed to evolve.
The main characters' Pokemon show up in promotional art and the volume covers so that is also something taken into account when deciding what to do with them. It's why Yamamoto was asked to stop drawing Crystal's Pokemon to look too unique and to reduce the small identifying star symbols on their bodies, their uniqueness clashed with the point of the manga promo art, which is to shill the official Pokemon designs from the games.
