The following picture was done on https://scratch.mit.edu/ (Scratch - Imagine, Program, Share). I Might cheat on some places since ill do vector then make it bitmap since bitmap can be an actual .png file, and vector allows you to modify the lines. But, it will turn out as what it will turn out as.
IN PROGRESS SNIP 1: View attachment 615437 You can see its totally not finished. Only the characters head and the moon are finished.
IN PROGRESS SNIP 2: View attachment 615437 More shading, Legs added, Hats been modified, Body added.
FINALE: View attachment 615441