V and Cloud are Exes. The relationship ended with Cloud shooting V after he decided V should be spared from Mother Paranoia's cruelty, though V never died
Echo and Cloud are siblings and hate each other.
Blue and Clover never stop fighting.
Ace is the tallest soldier, standing at 7 feet tall
Lavatera has amnesia
Emerald passed away after he was cured from a disease that spread to Lapis and other soldiers.