Imagine being infuriated by a mystery person for years only to discover that this mystery person is also your boss. It's a bizarre coincidence that is both surprising and unsurprising, in this case, given this dude's temperament and behavior at work. Before we get into the employee's revenge, some backstory is necessary first. When the Redditor got their new phone, they immediately started getting a barrage of calls and messages from the phone's previous owner, who lived in the same town. He en…