
Brianne Siddall is an American voice actress whose long career includes major roles in Digimon and .hack, plus a supporting part in Gurren Lagann's English dub as Gimmy Adai.
Brianne Siddall lent her voice to Gimmy Adai in Gurren Lagann, a smaller entry in a catalog stacked with youthful, long-running anime characters. The credit fits her broader pattern of voicing younger characters across many English-dub productions.
Siddall built her career largely inside the Digimon franchise, where she voiced Tommy Himi, Calumon, Keenan Crier, and Koromon across more than a hundred episodes and the accompanying games. She is also known for playing Tsukasa in the .hack//Sign anime and its related .hack games, alongside the character Elk in the same series.
Brianne Siddall is an American voice actress born in 1963 in Encino, California. She has been active in voice acting since 1984 and is best known for long-running roles in Digimon and the .hack franchise.
Siddall built much of her reputation through Digimon, voicing Tommy Himi, Koromon, Keenan Crier, and Calumon across more than a hundred episodes and its games. That long-running franchise work remains her most recognized credit.
Siddall also voiced Tsukasa and Elk in the .hack franchise, spanning both the .hack//Sign anime and its video games. This role sits alongside her Digimon work as one of the defining threads of her career.
Siddall is credited among the voice performers who worked on Gurren Lagann's English-language production, though the specific character she portrayed has not been confirmed in available records. Her presence reflects the show's use of veteran American dubbing talent.
Siddall has worked under several stage names during her career, including Jetta E. Bumpy and Ian Hawk. She has used these names alongside her own throughout her voice acting work since 1984.

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