Blue Unicorn is the daughter of Charlie the Unicorn and the sister of S.P. Sue from The Pajanimals. Section heading She is the twin of Pink Unicorn. Section heading Write the second section of your page here. Retrieved from "https://thebb.fandom.com/wiki/Blue_Unicorn?oldid=4981" Categories: Pajanimals Related Community content is available under CC-BY-SA unless otherwise noted.