Disambiguation: Patrick MacGuire Sr., of the Newsboy Legion
First published in: 1942
Scrapper first appeared in Star Spangled Comics (DC, 1941 series) #7 (April 1942). He first appeared as an adult in Superman's Pal, Jimmy Olsen (DC, 1954 series) #135 (January 1971). His actual name was not revealed in Pre-Crisis continuity.
Scrapper's first Post-Crisis appearance was in Superman Annual (DC, 1987 series) #2 ([August] 1988). His name was given as "Patrick MacGuire". He died in Superman's Pal, Jimmy Olsen Special (DC, 2008 series) #1 (December 2008).
Link: https://en.wikipedia.org/wiki/Newsboy_Legion