In several Elseworlds and imaginary stories, Bruce Wayne, Jr. is the son of Batman. The most notable of these is the Super-Sons version, who took up the mantle of his father after his death.
Bruce Wayne, Jr. was created by Bill Finger and Sheldon Moldoff and debuted in Batman #131 (1960).
Multiverse
New Earth
Imaginary son of Bruce Wayne
Earth-89
The Bride of Batman!
Earth-391
The Punishment of Superman's Son
Earth 789
Imaginary son of Bruce Wayne
Other Media
Burtonverse
Imaginary son of Bruce Wayne
DCAU
Imaginary son of Bruce Wayne
BTBATB
Imaginary son of Bruce Wayne
See Also