Coleman Palmer/Powered Buttercup is a 13-year-old girl and a member of the PPGZ and is one of the main characters of The Powerpuff Girls Z. She originated from the show 'The Powerpuff Girls' which was adopted by Toei Animation. The original creator of the characters and the show is Craig McCracken. Her weapon is a megaton hammer.
- She is voiced by Kelly Metzger.
- Coleman Palmer/Powered Buttercup is the same character as Buttercup from The Powerpuff Girls.
- Buttercup's theme color is lime green.
- Coleman/Buttercup shared with her similarities with Fuu Hououji.