Why that specific sheep? * It was said in one episode that they need that specific sheep, but they didn't elaborate why. * Genetics are the new radioactivity, perhaps? * The commercials when it was on air suggested it was because it was because it was the only sheep that would fit in the "sheep shaped hole". * In the very first episode, somebody asked General Specific why couldn't he just pick some random sheep and adjust the hole to make the captured sheep fit it but he reacted on a way that made everyone afraid to bring this up ever again. Possible scenarios: