The red is blood stains from the mushrooms/fungus. He's always bleeding and his hands are normally dripping blood.
He has a split-personality disorder but I forgot to add that.
Yes he's 15. And I'm gonna go and draw wolf versions of my friends:
I_Am_Table
Adishuu
BeccaSon3008
LunaxTaveon
GachaTaveon
DerpOtasticOh and I might do some of some wattpaders I follow