It's like a Monty Python skit, without the CRAZY (though I love those skits, too). Round up your mates—wonderful. That sheep dog is a hero! Are you watching, Miller Lite? This is how to do "Man Up" without banging men over the head with an idiot hammer. Ad agency: Abbot Mead Vickers/BBDO, London.
Related: Here's a Guinness in-bar poster I liked.