I wondered if that is his mouth or half of his face plate just fell off. Where Ratchet when you need him?
dunno, it's the official boxart though. I was staring at it for a few minutes thinking "wtf was that artist thinking?" Then it hit me. Yeah if any transformers would learn to burp and/or fart, it would be the Dinobots,,,well that and Terrorcon Blot.