Abner Callo is a student in Mapua(ARC 3)
Abner became a friend of Freud during their 1st year 3rd term. Abner refused to join the ORB FORCES because he have his reasons for not joining.
Abner is a good friend. He, unlike Freud's other friends can tame any professor using his so called "Abner Moves".
Abner is a bit tall, wearing simple shirts and sometimes a pair of glasses.