I have used a Nya minifigure for Wongs clothes and I feel that works fairly well.
https://www.bricklink.com/v2/catalog/catalogitem.page?M=njo212&name=Nya - Ninja&category=[Ninjago][Skybound]#T=S&O={"iconly":0}
I am trying to create my own custom Commander Cody and would like to see yours as a guide, but unfortunately none of my devices would load your picture. If possible could you please send it to marvelouslymanical@gmail.com.
Thanks