Fan Casting "The old friend" in Batman And Batgirl: The Three Jokers

In the climax of the final battle, one of the Jokers actiated a C4 bomb in Bruce Wayne's face, which exploded so violently that it managed to knock him out. However, he eventually wakes up inside the Gotham City hospital and sees a man standing outside his hospital room, who he recognizes to be a deceased member of the G.C.P.D that was close friends with him.