The Signs as YA Tropes

Aries: Has the exact power for this exact moment to save the plot
Taurus: The innocent who deserves to live forever (but fate won’t allow it)
Gemini: Grayest of the grays since they themselves don’t quite know what side they’re on
Cancer: The grouch who somehow finds love interests to fawn over them
Leo: The chosen one who likes to point out the burden on their shoulders
Virgo: Thousand-year-old faerie who still looks hot and seventeen
Libra: Elusive, grey-bearded wise magic man who disappears at crucial plot points
Scorpio: Secondary, but cuter and cooler, love interest who probably ends up with someone better post-series anyway
Sagittarius: Accidental leader of the revolution against the dystopian totalitarian world
Capricorn: Super genius who thinks pointing out flaws is cute
Aquarius: Secret royal who, despite having no normal human contact for years, is a perfect ruler
Pisces: Brown haired, brown eyed, journal-writer who hides behind their hair