>>55780045>>55780295Both are right, but only the rival has a level 22 Exeggcute like in the OP pic, and only in RB/RG Lavender Tower. In Yellow, the rival uses Shellder/Vulpix/Magnemite to supplement his eeveeloution, so there's no grass mon on his team.
The trainer in Celadon gym has an Exeggcute in all games, but hers is level 26.