- Script:
- Marv Wolfman (co-plotter & writer); Alan Grant (co-plotter)
- Pencils:
- Jim Aparo
- Inks:
- Mike DeCarlo
- Colors:
- Adrienne Roy
- Letters:
- John Costanza
- Genre:
- superhero
- Characters:
- F: Batman; V: Penguin; GS: Harold, Tim Drake
Harold eventually moves into the Bat-cave as one of Batman's assistants, to maintain & build Batman's equipment. Story continues in Detective Comics #615.