He has pointy white hair without a hairline, and basic white skin. He has light blue eyes with green, blue, and black pupils along with having a purple scar on his left eye. His fingers are pointy. Radi also wears 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 displays sound waves. If he touches anything it melts into acid.