It's the Joker in disguise. In a season one episode, Gordon mentions that the Joker's real name is Jack Napier.

It's the Joker in disguise. In a season one episode, Gordon mentions that the Joker's real name is Jack Napier.

"That being said, it’s not a bad action sequence, and it’s the first of the episode’s Hitchcock references. Recalling the Mt. Rushmore scene from North By Northwest, Batman fights two assassins atop the national monument…"