Oliver has knee-length white hair that is tied into a bottom ponytail with a black bow. He has two black horns, and a red circled "A+" mark on the right side of his hair. He also has a large split ahoge atop his head. Additionally, his right arm is replaced with a pencil. Strangely, his tongue appears to be forked, similar to that of a snake.[2]

His outfit consists of a black collared shirt with white stripes on the sleeves and bottom, along with a rhombus with a slash in the center of his shir