Lighty Duck Ever had an ad where you didn't understand what it was for? Transcript Paul and Max watch TV. TV: Lighty Knight fights the forces of dark craftness! And a wave of lighty light washed them away! Paul: Makes the dark side look really attractive. Max: Dunno... sounds like flushing the toilet. Paul: I always flush with Lighty Light. Max: Now it makes sense. This ad is for a toilet cleaner! Lighty Duck!