X-Naut PhD

X-Naut PhDs are expert X-Naut scientists, as the name implies ("PhD" stands for Doctor of Philosophy, which is generally recognized as the highest university degree obtainable). These X-Nauts wear lab coats and blue uniforms. It is usually responsible for building the inventions the other X-Nauts use for their plans, such as the Magnus Von Grapple Robots. It attacks by throwing chemicals at Mario and his team. They also created the species called Yux.