i forgot rachel...but she isn't a part of the series that much. Well neither is Thalia, but i like her, so deal.
(top to bottom, left to right)
reyna, annabeth, piper, THALIA, and hazel (c) mr. riordan
(sorry guys i forgot to draw the bottom half of reyna silly me)
(and i cheated with the contrast of my drawing wif cool modern technology)