|Relatives:||Derek Barnett (son)|
|Voiced by:||Telma Hopkins|
Mrs. Barnett was Derek Barnett's mother.
Mrs. Barnett was proud of her son's achievements in track and field, but when his grades began to drop, they started to argue. Derek ran away from home shortly after, and she was worried it was her fault. When it was revealed he was a Bang Baby, she took him back in, and supported him as he volunteered for research for a cure.