Billy Kametz was an American voice actor. He was best known for voicing Josuke Higashikata in JoJo’s Bizarre Adventure: Diamond is Unbreakable, Naofumi Iwatani in The Rising of the Shield Hero, and Takuto Maruki in Persona 5 Royal. He was born on March 22, 1987 in Lancaster and is the son of William and Cheryl Kametz. Billy was very sincere and humble person. He was diagnosed by cancer in 2016. Then he opened a foundation for helping cancer patients. He was hospitalised on June 9 after his health detoriated. Where he could not bear his pain and died. He was a fighter and will always be remembered for his bravery.