I really wish I could find an image of the Trojan sheep from the particular episode but I’ll drop this particular hero from twenty minutes into the future:
Episode in question:
http://www.maxheadroom.com/index.php?title=Episode_ABC.1.6:_"Blanks"
Carter: "Let's change the course of history: the Trojan Sheep."
Bryce: (laughs)
Carter: "Aaaaaa."
Bryce: "Baaaaa."
Carter: "Baaaaa."