John and Mary Grayson watching from heaven:
Detective Comics #38 (April, 1940)
Given various iterations of John and Mary have had them as being quietly heroic in their own right; sheltering battered women (John), and helping steal back illegally hoarded medication for the disadvantaged in the middle of an epidemic (Mary), looked at long term, the kid has a point.
WAIT WHEN AND WHERE? WHAT ISSUES WHAT COMICS?
Nightwing #82 for them hiding a woman from her abuser
And Mary's "Robin Hood" style adventure
It’s stories for them like these the reason why I believe had one of them survived the ‘accident’ and found out about foul play at the circus, they might’ve became self taught crime fighters themselves
!!!! John and Mary from an alternate universe where it was Dick who died instead of them (which almost happened in main continuity universe according to a recent Nightwing issue), who through Circumstances™ became vigilante crimefighters, meeting main continuity Nightwing like: