Jacob Guenther as Chris , a young boy who is Greg 's friend .
Who also frequents Home Base , the bar where Greg worked and , eventually , Heather works and where Josh 's gang frequents , offering precocious commentary .
Jacob Guenther as Chris , a young boy who is Greg 's friend and who also frequents Home Base , the bar where Greg worked and , eventually , Heather works and where Josh 's gang frequents , offering precocious commentary .