Workplaces come in many shapes, sizes, and personalities. There are the overachievers who finish tasks before they’re assigned, the quiet geniuses who say five words a week but run the whole office with those five words, and the social butterflies who think the office is a reality show filmed in their honor. But above them all—above every department, every hierarchy, every cubicle kingdom—there is one universal species found in every office on Earth: the colleagues who always complain.