- Script
- Stjepan Šejić (credited)
- Pencils
- Stjepan Šejić (credited)
- Inks
- Stjepan Šejić (credited)
- Colors
- Stjepan Šejić (credited)
- Letters
- ?
- Editing
- Andy Khouri (original editor); Maggie Howell (original assistant editor)
- Genre
- super-heróis (superhero)
- Characters
- Arlequina [Harleen Quinzel [Harley Quinn]]; Coringa [The Joker]; Pauline (flashback); Hugo Strange; Tim Bronson; Duas-Caras [Two-Face [Harvey Dent]]; Wilkes; os Executores [the Executioners]; Crocodilo [Killer Croc [Waylon Jones]]; Hera Venenosa [Poison Ivy [Pamela Isley]]; George (guarda do Arkham); Priya (guarda do Arkham); Batman [Bruce Wayne]; Victor Zsasz; Pinguim [Penguin [Oswald Cobblepot]]; Senhor Frio [Mister Freeze [Victor Fries]]; Comissário Gordon [Commissioner James Gordon]; Bane; Alfred Pennyworth
- Reprints
- Keywords
- Asilo Arkham [Arkham Asylum]