Also known as the Yellow King; having kept the Disaster Armor after the fourth Chrome Disaster he gave it to Cherry Rook expecting that he would break the Non violence treaty between the kings, giving him the "legal" right to kill one member from the red legion, ultimately going after Scarlet Rain.
In the Accelerated World, Yellow Radio's appearance is like a court jester with long arms and he wields a specter as a weapon. His Brain Burst Avatar's special ability seems to be called Futile Fortune Wheel (he was attacked before he could finish saying it), it is mentioned that his special ability is most likely an illusion type. He uses illusions and trickery as the basis for his fighting style.