Which Heroes of Olympus character is the best?

Percy! <3

Annabeth! ^-^

Leo! ('} *

Hazel! \(' . ')/

Frank! :)

Jason! ;}

Piper! {;

Coach Hedge! ^. _ . ^

Reyna! * - *

Grover! :-D

Octavian! -_-||

Nico! ^﹏^

Festus! (^○^)

Tyson! (^_-)

Ella! ≧◇≦

Rachel! -_-

Thalia! O_o

Calypso! (´・ω・`)