Early captions described the voice as "calm" and "masterful." 1 / 8
Adam West adopted a suave, controlled tone in his portrayal. 2 / 8
As the comics darkened, Batman's voice evolved into being "cold" and "muttering." 3 / 8
Michael Keaton employed this icy whisper in 1989's Batman. 4 / 8
Keaton also explained the voice distinguished Batman from the "public figure" of Bruce Wayne. 5 / 8
Christian Bale made the voice even rougher in Nolan's Batman films. 6 / 8
Originally, this was explained by voice-distortion tech within the Bat-suit, but these scenes were removed. 7 / 8
Although the speakers are still visible around Batman's cowl. 8 / 8