Cosplay of the Week: Metalslimer Gracie October 20, 2015 Cosplay, Featured Cosplay, Photos Metalslimer is a cosplayer who takes simple cosplays like Johnny Bravo and Nathan Explosion and makes them super fun by being his big buff self. He isn’t afraid to wear anything, including genderbent, and wears them with the utmost confidence. Here are some of our favourites that brought a smile to our faces. Be sure to give him some love on tumblr and deviantart. Leave a Reply Cancel Reply Your email address will not be published.CommentName* Email* Website Notify me of follow-up comments by email. Notify me of new posts by email.