TeeFury have some unbelievable awesome video game designs for t-shirts going on at the moment. Take for instance this Koopa Country by M.J.
The artist goes on to say that as a child, he was always suspicious Mario had a serious power-up problem. Given their similar habits, it just made sense to mash up him up with everyone’s favorite gonzo journalist. GGUK are absolutely loving the design of this one and it’s available from TeeFury.