Created by the Lego Group, Ninjago features six teenage ninjas must hone their skills to protect the realm from Lord Garmadon, the evil son of the First Spinjitzu Master. Who doesn’t want to dress up as everyone’s favourite Ninjago character? Want it Friday, 20 November? The only question you need to answer is: will you be a good ninja or an evil ninja? Lloyd: Even though he is the son of the evil Lord Garmadon, Lloyd chose to become one of the good guys and follow the path to become the Green ninja. BritandCo. Need even more inspiration? Don’t forget to follow the Handmade Halloween Costumes Pinterest Board for even more DIY costume greatness! The costume should be easy to clean, which means it helps to look for one that is machine-washable, as most are. To make the ninja shirt, I took one of my old black shirts and I added red duct tape (see below).