- Script
- Paul Dini
- Pencils
- Guillem March
- Inks
- Guillem March
- Colors
- José Villarrubia
- Letters
- Steve Wands
- Genre
- superhero
- Characters
- Catwoman [Selina Kyle]; Harley Quinn [Harleen Quinzel]; Poison Ivy [Pamela Isley]; Thomas Elliot [as Bruce Wayne; Hush] (villain); Joker [Gaggy; Gagsworth A. Gagsworthy] (villain); Ultra-Humanite (villain; cameo)
- Synopsis
- Hush (disguised as Bruce Wayne) and Gaggy (disguised as Joker) both want to kill Harley. Luckily, Catwoman and Poison Ivy come to her rescue.
- Reprints
Joker is revealed to be Gaggy in Gotham City Sirens #5.