Card Trivia:Radius, the Half-Moon Dragon
- This monster's name is based on a radius, a measure of distance from the center of a circle or sphere to its outer surface.
- The diameter of a circle or a sphere is twice the value of the radius, which is reflected in this monster's effect to change its Level from 4 to 8.
- In the Yu-Gi-Oh! ZEXAL anime, the pieces of this monster's armor can change into the form of a crescent moon.
