Luna Santiago is the main character of Luna. She is a kind-hearted girl, who though spoiled, is almost always nice to others and never means any harm. Though she is rather accident prone
Lucas Aguilar is one of Luna’s friends. A talented soccer player, he is sarcastic and always tells it like it.
Lena Johnson is from SSCHS, and is the princpal of the school. Her struggle is leading the school in a fair manner, while dealing with her personal life, and her family.
Liam O’Guinness is Todd’s younger. Arrogant and self-absorbed, he often falls into conflict with Todd, due to seemingly always having people on his side, no matter what.