Zodiacs as PJO characters (not necessarily all of them by character's birthday)

Aries:   Clarisse LaRue

Taurus:  Grover Underwood      

Gemini: Rachel Elizabeth Dare

Cancer:   Charles Backendorf     

Leo:    Percy Jackson
      
Virgo:  Annabeth Chase
        
Libra: Selena Beauregard

Scorpio:   Luke Castellan
       
Sagittarius:    Ethan Nakamura
 
Capricorn:  Thalia Grace
  
Aquarius:  Nico di Angelo

Pisces:  Bianca di Angelo