David Mendenhall's career began at the age of four, when he appeared in a commercial for Mattel Toys. By the time he reached his teens his appearances included more than 150 commercials for both television and radio, plus roles on such television shows as "Our House" (two seasons), "Taxi" (two seasons as Marilu Henner's son), "Diff'rent Strokes," "The Twilight Zone," "The David Copperfield Special" (as the young Copperfield), and "The Wayne Newton Special" (as the young Wayne Newton).
彼得·库伦是一名加拿大配音员，知名代表作有：《小熊维尼》为 Eeyore 配音，1980年代的卡通连续剧《变形金刚》为擎天柱和铁皮配音，为《圣战士》担任解说员。近年来他也在真人版电影《变形金刚》三部曲、视频游戏 Transformers: War for Cybertron [2]、以及新的2010年电视剧 Transformers: Prime 中继续为擎天柱配音。
