First of all, consider the possibility that black series Wicket is simply the full grown version of a vintage collection Wicket, fitting into the 3.75 scale perfectly in this regard. This reframing may not change your life, but it could quite possibly change your week.

Very minimal custom. Used the backpack from vintage collection Kuiil, cut off the connector and adhered it to the back with poster putty. For the skirt, took two vintage collection Teeka vests, cut off the top, and connected them together around Wicket.