Fan Art Friday: The Heroes of Olympus by Rick Riordan

 Leo, Piper, Jason, Percy, Annabeth, Frank, and Hazel 

created by burdge-bug

Octavian, Reyna, Leo, Piper, Jason, Percy, Annabeth, Hazel, Frank, Nico, and Thalia 

created by viria13 

created by lostie815