Gigi Blue is a supporting character in the anime "Peach Boy Riverside." He is an ogre who allies himself with the protagonists despite his origins. Gigi is notable for his large stature, blue skin, and horned appearance, which mark him as a powerful ogre. Despite his intimidating looks, he displays a gentle and loyal personality, especially towards his friends. Gigi’s role in the series involves protecting his companions and challenging the prejudices between humans and ogres, contributing to the story’s themes of coexistence.