*for some of them, just imagine that they are older than you*
Aquarius: Killua Zoldyck - Hunter x Hunter
Pisces: Kamina - Tengen Toppa Gurren Lagann
Aries: Sora - No Game No Life
Taurus: Byakuya Kuchiki - Bleach
Gemini: Sesshoumaru - Inuyasha
Cancer: Portgas D. Ace - One Piece
Leo: Lelouch Lamperouge - Code Geass
Virgo: Komui Lee - D.Gray Man
Libra: Edward Elric - Fullmetal Alchemist
Scorpio: Izaya Orihara - Durarara
Sagittarius: Itachi Uchiha - Naruto
Capricorn: Rin Okumura - Blue Exorcist