Bring a LEGO Ninjago character to life with this nifty costume from Amazon. The One Punch Man cosplay costume is complete with this. Note: this costume only includes the bodysuit, so you’ll need some face paint, mortal kombat costume wig and (optional) a creepy red balloon to achieve the full look. This is one of the easiest options for your child, involving just a soft tunic-style top, mask and gloves, underneath which they can easily wear normal clothes.