Erika caught her after rescuing her from Team Rocket who had captured her. Erika and her Plusle often impress people during their showcases. Erika often has Plusle help her win gym battles.
Plusle is a kind, friendly, fun-loving, and trustworthy Pokemon. Erika can trust her on anything because Plusle loves to help her trainer whether it's showcases or gym battles, Plusle is always there to lend a hand. Like Dedenne, Plusle adores Chocolate Chip cookies. She also loves strawberry ice cream.