The ones I know of are:

spongetastic

relatedtoalion

undrflyngshadow

i_started_again

futurescars

havetobebetter

scarredfuture

secondpetrelli

borrows_powers

teen_empath

chimeramimic

mybrotherisevil

I apologise if I have missed your Peter of my list. Please comment and I will add you as I also with him a very Happy Birthday!