Harmony is a reoccurring character from Hi Hi Puffy AmiYumi.
Harmony appeared in the series premiere of the show and she consistently annoyed Ami & Yumi to no end, thus going everywhere they went. Soon, she landed next to Kaz and she became his Number One fan. Harmony made several appearances after that, in Fan Clubs, In Harmony's Way, Puffy B.C., Junior Tapeworm, Golden Fleas, Sound Off & It's Alive!.
Harmony is Ami and Yumi's Numbuh One fan (Numbuh one villager in "It's Alive!".)