Buttercup has short black hair in a flip with a small triangular part on her forehead. She has lime green eyes and dresses in a lime green dress that has a black stripe in the middle of it. Buttercup also wears white tights and black Mary Jane shoes with her dress. Her special ingredient is spice and her signature color is light green.

The Powerpuff Girls, along with her sisters Blossom and Bubbles. She's the Toughest Fighter; she's the bravest, most headstrong of the superhero trio.