Bowser has been marios nemesis ever since the original super mario bros and has even teamed up with the plumbers in certain games weve seen him thwarted time and time again but this king koopa never lets up this t shirt has a silhouette of bowser in addition to him facing off against mario in this exquisitely designed t shirt which is officially licensed and bears the official nintendo seal of quality features t shirts are made from pre shrunk 100 cotton grey 90 cotton 10 poly