I'm wearing what I usually wear to bed. flannel pants from L.L. Bean, and a t-shirt of Mario's artwork from the original SMB.
Today I was wearing a Propaganda Yoshi t-shirt, multi-color star earrings from Claire's (which, by the way, is going to end up like Toys 'R' Us!), red low-top Converse sneakers with white stars, the same light jeans from CoolCat, and a Mario cap. Some guy even said "Hi Mario!"
Wearing a Mario cap with my casual wear is as far as I will get when it comes to wearing his attire in public.