Derek Powers, also known as Blight, is a prominent antagonist in the animated series 'Batman Beyond'. As the powerful CEO of Powers Technology, Derek is a ruthless businessman with little regard for ethics. After a failed experiment, he becomes Blight, a radioactive supervillain with glowing green skin and the ability to emit lethal radiation. Blight is a cunning and formidable enemy, posing a significant threat to the new Batman, Terry McGinnis. His transformation into Blight highlights the dangers of unchecked corporate power and scientific experimentation.