In my last company the toxic guy was the one who was extremely loud and obvious, always burning the midnight oil, running around like he was on fire. i.e. squea

In my last company the toxic guy was the one who was extremely loud and obvious, always burning the midnight oil, running around like he was on fire. i.e. squeaky wheel. In reality he was causing 10x more problems than he fixed, and for multiple years in a row his personal overtime spending was significant in a company of 500 employees.