User blog comment:SayuriDarling/The House of Hades Official Discussion/@comment-24034579-20131012100141/@comment-5277710-20131012190828

the seven in the middle going from bottom left to bottom right are

piper, leo, annabeth, percy, jason, frank and hazel

the people on the left are nico, coach hedge and rachel

on the right i think is the trickest but i believe it is Reyna, Ocativan and gwen(?) i honestly dont remember the last one lol