disclaimer - I don't own the characters Rick Riordan. Everyone is 16 in this story except the host and chef.
About the characters :
Nico - Avon Jogia
His parents are workaholics, and the only way to grab their attention is by doing something bad. He doesn't want anyone to know his true nature (he's a softy) to keep his rep. and he is known to be a ladies man.(Duncan)
Jason - Sterling Knight
His parents want the best for him. They made him participate in lots of activities and taught him his manners. Jason loves playing music to express his feelings. He is like the perfect guy always doing the Nobel thing and helping others.(Trent)
Leo - Jake T. Austin
His mother died when he was 8 years . His father drowned himself with work. Leo is self conscious and hides his insecurity with humor. He is immature, flirtatious, and a joker.(Cody)
Frank Zhang - Booboo Stewart
He's a mamma's boy, he was raised by a single mother after his father died in the military. He is sweet and soft.(DJ)
Travis - Cole Sprouse
After his parents divorce, he and his brother Conner got separated. Travis went with his father who loves to party. He is a fun dude. (Geoff)
Connor - Dylan Sprouse
After his parents got divorced, he went with his mother who is a video game designer, He got addicted to video games. (Sam)
Annabeth - Taylor Swift
Her mother was a perfect in everything( education, sports etc.) and she wanted her daughter to be just like her, so after her mother's death , Annabeth started fulfilling her mother's wish.
Thalia - Elizabeth Gillies
Her mother got pregnant when she was 16 so her boyfriend left her so she started drinking and she became a drug addict. her mother neglected her so she didn't have anyone to go to when she was feeling depressed. So she became Goth and started cutting because it is her way to express her angers and emotions. (Gwen)
Piper- Victoria Justice
Her father is an actor and her mother and sister are models. her parents don't pay attention to her and they liked her sister more than her. She was raised by her nannies She started acting mean. She is spoiled and manipulative. (Heather)
Katie - Arianna Grande
Her parents are eco friendly. She lives in a simple house in the country. She loves animals and she is kind and sweet.(Katie)
Hazel - Logan Browning
Her father cheated on her mother but they didn't tell her because they want the best future for their daughter. She started being curious about her parents relationship. She could read people's body language. She is afraid of being rejected, so she is normally shy, but when someone needs comfort she is always there to help. (Dawn)
Andy (fem!Percy) - Danielle Campbell
Her father left her mother when she was pregnant, she married a drunk and abusive man to pay the bills, she died when Andy was 3. Her step-father started abusing her. She started getting in trouble and getting expelled from many pranks for pulling pranks to beating people she started drinking to forget about her problems and shes a tomboy (Iva & Duncan)