Radi is a white stick figure with hair without a hairline. He has light blue eyes with green, blue, and black pupils along with a purple scar on his left eye. His fingers are pointy. Radi also wears a green neon and black hoodie with blue lines on his upper arm. There is a neon green radioactive symbol at the back of his hoodie. He also wears a neon green and black colored "micro-gas" mask with radioactive symbols that display sound waves. Kindhearted. 8'6''.