This was the first person he'd seen, or possibly hallucinated. Hallucination was quickly becoming the greater possibility; he knew he'd never seen this person before in his life, and yet here he was, greeting him by name.
His expression was clearly puzzled as he studied the other man, trying to place his features. An old college acquaintance? It would have to be a very slight acquaintance; he didn't even look familiar, and even if he hadn't been able to place Mike, he'd at least vaguely recognized him. He hated being rude, but he was going to have to ask. "Sorry but... you are...?"