Riddler Knows Batman's Identity. Everyone knows that riddle Batman said Exactly. What time is it when an elephant sits on your fence The Riddler replied Time to get a new fence.
Lie Detector - Used for a game of 20 questions with Batman and Detective Yin the rules of the game were for Batman to answer 20 YesNo questions asked by Riddler for Riddler to figure out Batmans identity every time Batman lied the Lie Detector would give Yin an electric shock with each shock getting worse with each wrong answer. In The Batman the enigmatic villain might have uncovered the Dark Knights secret identity too which can make him truly terrifying. Though Batman is not stressed in the slightest about this fact because he knows The Riddler wouldnt reveal it to everyone.
The Riddler figured it out but doesnt remember for now.
So Batman asked him this riddle. If the Joker knew Batmans identity hed. However the closest thing we have is in the audio tapes of the game one where strange teases the riddler by telling him that he kno. The only reason I dont think Luthor knows is because in a recent issue of Action comics he can be seen reading a newspaper that mentions Batman Inc and he seems disappointed in Bruce for.
