Though clearly the more cunning of the two, Sizzle could easily be seen as suffering from the same cowardice as his partner, Jolt. He has no qualms about abandoning his teammates on the battlefield if he's low on fuel or confronted by a superior force. On the other hand, "running away" for Sizzle is really a "tactical advance to the rear". It's not fear which guides his actions, but the search for an advantage that'll put him on top of the situation. He sees no point in staying in an uneven battle simply to maintain his pride and image as a warrior. Sizzle is a strategist, and his goal is to win, not to look like a winner.