The Bat becomes the Ray with issue #4.
Lambiek Comiclopedia (https://www.lambiek.net/artists/f/francho_leon.htm) suggests that Leon Francho was probably the Argentine artist Arnoldo Franchioni, who often used the penname "Francho."
Lambiek Comiclopedia (https://www.lambiek.net/artists/f/francho_leon.htm) suggests that Leon Francho was probably the Argentine artist Arnoldo Franchioni, who often used the penname "Francho."
Nick Caputo believes Frank Giacoia assisted on inks, particularly on pages 3-7.
Lambiek Comiclopedia (https://www.lambiek.net/artists/f/francho_leon.htm) suggests that Leon Franchoo was probably the Argentine artist Arnoldo Franchioni, who often used the penname "Francho."