Voice synthesizer and mimics Scarecrow's speech pattern.

“Good. Once we’re in position, you’ll remote pilot the Batmobile. I’ll deal with Scarecrow and the Knight.” Batman hit his gauntlet comm and made the call. When a guard answered, he spoke into the voice synthesizer, reprogrammed by Fox to replicate Scarecrow’s voice.

“There’s been a change of plans,” he said, mimicking his opponent’s halting speech pattern. “We’ve taken the Batmobile. I’ve arranged for it to be delivered here. When it arrives, open the gate immediately and let it pass.”

“Yes, sir!”