After Harley Quinn fed his brother to the hyena, Bruce, he became one of the many individuals with a grievance against her. When she declared her emancipation from the Joker, he came after her, hoping to kill her. His quest, however, was not successful, as he was about to run over Harley with his van, Harley jumped out of the way and was accidentally shot in the head by Detective Renee Montoya and his corpse accidentally ran over Roman Sionis' chauffeur.
- Dave Murray † - brother
- Harleen Quinzel/Harley Quinn - brother's killer (indirectly, through Bruce), attempted victim, and indirect killer
- Renee Montoya - accidental killer
- Roman Sionis's chauffeur † - accidental victim