Sometimes, almost a cartoon character if there wasn't so much at stake.
Once again Eisenhower sought to mollify, to mediate, and to keep his temperamental subordinates concentrated on the task at hand: evicting Rundstedt from the Bulge and resuming the march on Germany. But in a note to Brooke he admitted, “No single incident that I have encountered throughout my experience as an Allied commander has been so difficult.”
Again, with Monty's antics especially, Hitler almost hit the nail on the head in hoping the counter-offensive would create an Allied split.
So, I guess you could say that in a sense, Hitler’s Ardennes offensive was aimed primarily at Montgomery’s ego.