By Graeme Murray & Katie Dollard The ‘most modified man in the world’ has had his hand split in half in what is believed to be a ‘world first’ procedure. Marcelo ‘B-boy’ De Souza Ribeiro spent years transforming his body with over 1,500 tattoos across his skin as well as various body modifications. But he claims to be the first person in the world to have the split hand procedure. The 40-year-old artist shared details of his latest body change which he described as a “devil hand” Marcelo said: “I’m making a new modification that doesn’t exist in the world yet. I was already researching about b…