Buttercup is one of the Powerpuff Girls. About Buttercup She has black hair in a bob-cut and green eyes and is the most aggressive member of the trio. Other Appearances OK KO episode "Crossover Nexus" This article is a stub. You can help Hanna-Barbera Wiki by expanding it. Retrieved from "https://hanna-barbera.fandom.com/wiki/Buttercup?oldid=42540" Categories: Article stubs Characters Powerpuff Girls Characters Brunettes Kids Humans The Funtastic Index Community content is available under CC-BY-SA unless otherwise noted.