Dr. Barbara "Babs" Blight is a character from the 90's television show, Captain Planet and the Planeteers. In OK K.O.! Let's Be Heroes, she makes her first appearance in the episode, "The Power Is Yours!".
Dr. Blight has fair skin and blue eyes. Her hair is blonde with a white piece covering her left eye. She wears a pink, green, and yellow jumpsuit with yellow and black gloves and matching boots. Blight wears pink eyeshadow and lipstick, and has sharp white teeth.
She is an eco-villain and wants to take over the world. She seems to enjoy anything that can cause harm to nature, and suggests Lord Boxman to produce even more pollution with his industry, causing the Plaza to get in terrible conditions.
- The original voice actress of Dr. Blight was Meg Ryan. In later seasons, her voice actress was Mary Kay Bergman, who died in 1999.
- In "The Power is Yours", Tessa Auberjonois voices the villainess.
- Dr. Blight grew her hair to cover part of her face because of a scar.