I haven't watched this anime in awhile so I do apologize for forgetting some characters. I found each characters actual birthday so it might surprise you a bit.
Aries
N/A I'm so sorry!
Taurus
Shiro Fujimoto
Gemini
N/A I apoligize!
Cancer
Renzo Shima
Leo
Ryuji Suguro
Shura Kirigakure
Virgo
Mephisto Pheles
Libra
Izumo Kamiki
Saburota Todo
Scorpio
Igor Neuhaus
Sagittarius
Arthur Auguste Angel
Capricorn
Rin Okumura
Yukio Okumura
Konekomaru Miwa
Aquarius
N/A My Apologies!
Pisces
Shiemi Moriyama
Amaimon
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So here is Blue Exorcist! This was one of my first animes so I don't remember every single character. There has been a rumor that there will be a new season in 2017 so I'll update if new characters show up! Enjoy!