Miette

Miette is the newest rival of Serena. She first appears when she comes looking for her Slurpuff and notices Serena's Pokepuffs and says there no good which causes her and Serena to start of rivalry with each other. In order to find out who is the better baker both Serena and Miette compete in a Pokepuffs competition.

Achievements

 * Poké Puff Contest: Top 3

Trivia

 * She is a talented baker.
 * Miette is the first person to find out about Serena's crush on Ash.
 * In the end of the episode, Miette says to Serena that if she doesn't tell Ash about her feelings for him, she'll take him for herself, hinting that Miette might be romantically interested in Ash and also becoming a love rival for Serena.
 * The name Millefeui is based on mille feuille, a dessert, which is a reference to her baking skills.