| Release: | Jul 1989 |
| Cover: | Jul 1989 |
Bad, Bad, Bad, Bad Boys / The Secret Origin of Grim Ghost
| Release: | Jul 1989 |
| Cover: | Jul 1989 |
The secret origin of Phantom Girl.
| Writer | Tom Bierbaum, Mary Bierbaum, Roy Thomas |
| Artist | Michael Bair |
| Cover Artist | Dick Giordano |
| Penciller | Dave Cockrum |
| Inker | Larry Mahlstedt, Jim Sanders III |
| Colorist | Helen Vesik, Tom McCraw |
| Letterer | John Costanza, Janice Chiang, Jean Simek-Izzo |
| Editor | Mark Waid |
| Brainiac 5 | Querl Dox |
| Superboy | Kal-El / Clark Kent |
| Ultra Boy | Jo Nah |
| Lightning Lad | Garth Ranzz |
| Mon-El | Lar Gand |
| Saturn Girl | Imra Ardeen |
| Colossal Boy | Gim Allon |
| Chameleon Boy | Reep Daggle |
| Phantom Girl | Tinya Wazzo |
| Sun Boy | Dirk Morgna |
| Shrinking Violet | Salu Digby |
| Bouncing Boy | Chuck Taine |
| Invisible Kid | Jacques Foccart |
| Triplicate Girl | Luornu Durgo |
| Matter-Eater Lad | Tenzil Kem |
| Zaryan The Conqueror | Nahlrog Zaryan |
| Sugyn | |
| Grim Ghost | Charles Collins |
| Age | Modern Age |
|---|---|
| Format | Comic |
| Series Group | Secret Origins |
| Genre | Adventure |
| No. of Pages | 48 |
| Country | USA |
| Language | English |