Just because it's your back it does not mean that you can hire someone who should have finished his / hers art career at etch-a-sketch. And what's with the head ? Half a brain ?
Rule nr 1. before you get a tat (either in prison, tattoo parlour, or from a weird exhibitonist who steals your cutlery while you sleep) , make sure that he or she can draw better than a preschooler.