Keith Silverstein, born on December 24, 1970, is a prominent voice actor whose work has left a significant mark on the anime landscape, making his performances highly sought after by collectors of physical media. Notably, Silverstein is celebrated for his roles in iconic series such as the sinister Hisoka in "Hunter x Hunter" and the enigmatic Johan Liebert in "Monster," the latter of which has garnered critical acclaim and remains a staple in anime collections. In addition to his anime achievements, Silverstein’s portrayal of Robert E.O. Speedwagon in "JoJo's Bizarre Adventure" and Char Aznable in "Mobile Suit Gundam: The Origin" has captivated fans and collectors alike. His recent work in "The Bad Guys: A Very Bad Holiday" (2023) showcases his versatility, further expanding his filmography. Collectors appreciate Silverstein's impactful performances, often seeking out limited edition releases that feature his work, making his contributions an essential part of any serious anime collection.