This is a parody of Zodiac signs. Any Zodiac signs book really. Instead of the signs, it's the sides.

The Sanders Sides

Virgil - Scorpio 10/23 - 11/22

Logan - Capricorn 12/22 - 1/19

Deceit - Gemini 5/21 - 6/20

Patton - Cancer 6/21 - 7/22

Thomas - Taurus 4/21 - 5/20

Roman - Leo 7/23 - 8/22

(Obviously, it's gonna be in order next time.)