Taurus: Strong Pomegranate
Gemini: Romance in Early Summer
Cancer: The Taste of Summer
Lion: the fruit of summer
Virgo: Autumn is crisp.
Libra: a clear sky
Scorpio: the charm of cold autumn
Sagittarius: the hope of early winter
Capricorn: winter
Aquarius: winter goes and spring comes.
Pisces: Birds are singing and flowers are fragrant.
I don't know what your style is. I conceived several names according to the seasonal characteristics of each constellation. You can modify it according to your own preferences and the name of the protagonist.