Cartoon Network has introduced Bliss, a fourth girl in the trio, in the reboot of the cartoon series 'The Powerpuff Girls'. She has made her debut appearance in the five-part movie event titled 'The Powerpuff Girls: The Power of Four'. Bliss is the long-lost older sister of 'The Powerpuff Girls' original trio, which features the characters Blossom, Bubbles, and Buttercup.