Complex sentence: In the original "New Challenger" game and the SIN animation he has no voice actor, but since the second game of the Road to the Infinity series, he is voiced by Akira Ishida.
Split into simpler sentences: In the original "New Challenger" game and the SIN animation he has no voice actor. Since the second game of the Road to the Infinity series, he is voiced by Akira Ishida.