|Jafar says: Read my lips and come to grips with the reality!|
Principal Grey is the secondary antagonist of the TV series, MECH-X4. She is the creator of many of the monsters and makes MECH-X4 fight with them. In episode 4, it was revealed she is a minion of The Leader, an evil mastermind who is the main antagonist of the first season.
She is very cruel, ruthless and she also takes orders from her boss. When one of the monsters she created lost a battle to MECH-X4, she became extremely angry, showing that she has a short temper.
She is creating monsters by merging two creature's DNA together, forming that monster, while using her desk at her office. She is also very skilled at fighting.