A haunting we will go!
Magno is a super hero with out a secret identity! Even when he's wearing street clothes, everyone just calls him Magno. Which is odd when you consider his career lasted almost 7 years, longer than most obscure, forgotten golden-age heroes. I guess no one just got around to giving him one.
Magno first appeared in SUPER-MYSTERY COMICS Vol. 1 #1 (July 1940) and stayed there until Vol. 6 #4 (Februray 1947). He was also featured in FOUR FAVORITES from issue #1 (September 1941) through #26 (November 1946). Davey debuted in SUPER-MYSTERY Vol. 1 #5 (December 1940) and stuck with Magno through the rest of his appearances.