When most people said they had an Angel on one shoulder and a Devil on the other they were being metaphorical, for Xander, it was perhaps closer to the truth then most realised. On his left shoulder, constantly speaking into his ear was a bundle of predatory instincts with a distinct pack mentality best known as Hyena Xander. On his right, the harsh brutal efficiency and fierce protectiveness of 'Soldier' Xander.
The two didn't like each other, in fact, Xander most often got away with doing whatever he wanted simply because the two were too busy fighting to take much notice of what he was actually up to.
Occasionally however they did sit up and pay attention to what was going on in the world around them and just occasionally… such as once a year, all three would manage to come to an agreement regarding a particular action…
"So," Xander commented, the young fearful man in front of him suddenly fearful at the oddly trebled timbre of Xanders voice, "you're the one who cheated on Dawnie…"
Yes, just occasionally all three could come to an agreement, unfortunately for the young man in question, this was one of those times, "let's have a nice quite talk, you and I…"
I do not own nor do I claim ownership of characters and / or concepts from Buffy the Vampire Slayer