Percy Jackson-The bravest person I have ever seen he is brave and everything you like about a boy but there is one catch his dad his the greek god posidean and they are not to see each other  but they can still talk.
Anabeth-A smart girl she has blonde hair and grey eyes just like any son or dauter of Athena the greek god of wisdom,sometimes she can be very confusing but most of the tim he is quick and simple the the point.
Tyson-Tyson is a cyclops but he still is just a baby and him and percy are brothers   because posidean claimed him,he comes very handy when they are in the sea of monsters to defending Percy, without him Percy would be dead.
Grover-Grover is a fun living kind of guy but he also is a sytar a half human and half horse, He and percys mind are comected and if he dies percy does too so percy has to save him. 
Chiron-Chiron is the directer  of the camp and the leader there too, he gives everyone permission to go on quests and do all sort of thing. The shocking part is that his father is kronos the leader of the Titans.
Clarisse-She is the dauter of ares and the most stuborn person that has ever been in that book ever. Ares and percy had a fight last summer so now most of the ares cabin mates hate his guts but Clarisse and him really do not hate each other that much.