John Costanza

 is a comic book writer, penciler, inker and letterer.

Body of work
Incomplete

As letterer

 * Frankenstein Monster, Volume 1 #1
 * Frankenstein Monster, Volume 1 #2
 * Hellraiser III: Hell on Earth
 * Marvel Spotlight, Volume 1 #5 (as John Costa)
 * Tomb of Dracula, Volume 1 #1
 * Tomb of Dracula, Volume 1 #2