He is perhaps best known as Double-D from Ed, Edd 'n' Eddy. His notable anime roles include Athrun Zala from Mobile Suit Gundam SEED, Peach Man (Tokajin) from Inuyasha, and Yukito Tsukishiro from Cardcaptor Sakura. Other roles include Forge from X-Men Evolution, Aerrow in Storm Hawks, Archie in Class of the Titans, Sidoh and Gevanni in Death Note, Coby Hansen in Transformers Cybertron, and Baby Bugs, Baby Daffy and Baby Tweety from Baby Looney Tunes. He is also known for voicing Krypto from Krypto the Superdog, Sonic the Hedgehog's singing voice in Sonic Underground, and the title character and the alien Billy of Martin Mystery. Samuel started voice-acting in 1990. He was also born in the same place as Matt Hill. The two are often cast together as friends, most famously as Edd (Vincent) and Ed (Hill) from Ed, Edd, n Eddy and as the two protagonists of the Gundam SEED franchise; Athrun Zala (Vincent) and Kira Yamato (Hill).