So the original good guy used a Guurahk staff piece, and I decided to upscale it. First I used a Lerahk staff as the tip with two ninjago 2012 blades in silver, before redesigning it to this:
Thanks to the optional blue pin on the back of his shoulder, and the technic beam used to prevent the 3 long axle connectors from spinning around the handle, Good Guy can store his weapon on his back.