Aaron's Beautifly

In the Anime
As a Wurmple, it helped Aaron get out of a tree when he got stuck in it. It became his first Pokémon, and Aaron trained it for a while. But it kept following him around, and Aaron got irratated at it and left it behind. In A Trainer and Child Reunion, it returned to Aaron as a Beautifly and helped Aaron, Ash, Dawn, and Brock drive off Jessie and James. In the nest episode, Aiding the Enemy, it showed him using Beautifly to battle Cynthia and her Garchomp, and lost.