The voice actor who played Yakusugi in the English-language adaptation of the anime series Betterman is Dave Kelly, a Canadian actor based in Calgary, Alberta. He is known for his work in voice-over for English dubs of Japanese anime, often in association with Blue Water Studios.

His career includes a range of prominent voice roles in anime produced during the 1990s and 2000s. Beyond his role as Yakusugi in Betterman, his credits include Duuz Delax Rex in Angel Links, Kagami Mikage in Ceres, Celestial Legend, Bright Noa in Mobile Suit Zeta Gundam, Ulube Ishikawa in Mobile Fighter G Gundam, and Gunther Prozen in Zoids: Chaotic Century. In addition to his voice acting work, Kelly has also worked as a television host, including time as a co-host on Citytv Calgary's Breakfast Television and as the host of the Reach for the Top academic competition finals.