Tesseract has dark skin, and short dark brown wavy hair which fades to a desaturated tan. He has vitiligo, his skin having less pigmentation around certain spots on his body. He wears a green button-up shirt, and has a necklace with a charm in the shape of a door. He also wears a pair of short tan shorts, and wore some boots, along with having large green ram-like horns. He is boyfriend is Scopo, an avatar of The Eye. Tesseract goes by he/him and it/its pronouns. He is an avatar of The Spiral.