Coach Z is a fictional character in the Homestar Runner series of animated cartoons. As his name implies, he is the coach of the athletic team on which Homestar Runner and some of his friends play. He is also green, and it is unclear whether this is skin or some kind of body suit. Coach Z's primary gag is his thick and occasionally incomprehensible Pittsburghese/midwestern accent. An early profile suggested he came from a "foreign country". This accent causes various mutations in common English