If you saw this man coming out of the water at a beach, you’d be running in the other direction. Horrified at the sight of herself squeezed into a 5XL plus-size bat girl costume the administration manager downloaded a running app, and ditched her bad ways for good. Mum-of-three, Casey Gemmell, 37, from Perth, WA, had gained weight steadily since having kids, green arrow costumes ballooning to a 159 kilos after years of hoovering up her kid’s leftovers and eating fatty takeouts.