BATMAN: I'm batman
Superman: Dude! Your Batman voice is so intense and gravelly! Whats your secret??
Batman: I'll never tell
Batman, the man in the Mask. S—mmm-okin’!
A guy with x-ray vision would be able to see the lungs and impending cancer :-(
Oliver Queen, RIP Arrow, used a voice modulator to go all gravelish.
I always thought it was the tight suit! :)
Back in the day (love that expression) Disc Jockeys would smoke for the same reason.
Next, show him tossing back a shot of Jack Daniels and that would totally explain it!
He’s going to get Bogart-Bacall larynx.