AHAA I FINALLY FINISHED THIS…TOOK ME LIKE 3 WEEKS CAUSE I LOST MOTIVATION BUT THATS OK <3

Meet my one of 4 galaxy oc’s,this is Erethizon, he’s the second eldest of the 4 and is a very chill fella, i like him alot but he’s a real pain to draw..(their all a pain to draw because of their hair)

Let me know what you think about this??
help how do i shade?<3