Ryan Stadler is an English voice actor known primarily for his work in anime dubs, with his most prominent role being Dr. Faker from the Yu-Gi-Oh! Zexal franchise. He provided the English voice for the character Dr. Faker, a scientist and the main antagonist in the first three arcs of Yu-Gi-Oh! Zexal, as well as in the sequel series Yu-Gi-Oh! Zexal II.

Beyond Yu-Gi-Oh!, Stadler is also recognized for his voice work on the long-running Pokémon anime series. He joined the English dub cast for Pokémon the Series beginning with its sixteenth season. In the Pokémon franchise, he is known for portraying multiple characters, including a character named Jeff, the Trainer Schwarz, and the recurring Pokémon Ultimo. His role as the voice of Ultimo appears across several different series within the Pokémon anime, including Pokémon the Series: Ruby and Sapphire, Diamond and Pearl, XY, Sun & Moon, as well as the original series and Pokémon the Series: Black & White. No information is available regarding his career background, training, other major voice roles beyond these franchises, recurring collaborations with other industry professionals, or notable achievements or awards.