They were later defeated by the combined efforts of Wonder Woman, Batman, Robin, Troia, Wonder Girl, Nightwing, Artemis, and the Huntress.
Over a career of almost two decades, he has worked on books such as Nightwing, Batman, Star Trek: Debt of Honor, Aliens versus Predator, X-Men, Wildstorm Summer Special, Terra Obscura, Tom Strong, Ocean, The American Way, and Midnighter, as well as many others.
As he grows up Jerry becomes a hero in his own right as Galahad (a reference to Dick Grayson's career as Robin and Nightwing).
During a later appearance, D'Anjou is abducted by Grant Walker — a man who had forced Freeze to subject him to the same treatments as he had undergone — to research a cure for his condition, forcing Nightwing and Batgirl to team up with Mr. Freeze to stop Walker after Batman is incapacitated.
The battle leaves Robin, Nightwing, and Wonder Girl questioning their team's and their own personal effectiveness.