In the Ragman backup in Batman: Streets of Gotham, Hady hired Firefly to burn down some apartment blocks so a construction company he owns could build on the land.
It was also revealed in Red Robin #22 that he had blackmailed his opponent in order to win election and has cheated on his wife.
In Batman Zero Year, a billboard for Hady's mayoral campaign is seen but he ends up losing to Mayor Daniel Dickerson. After his predecessors death via the Joker, Hady becomes the mayor himself by likely winning a special election with Deputy Mayor Kavanaugh.
Major Story Arcs
Hady is the mayor when the police find the Joker's face. Around the same time, it is also revealed he is the father of twin daughters Charlotte Rivers and Jill Hampton. However, he gave both away at birth and did not raise either. Jill however is involved in a scheme by Penguin and his henchmen to illegally control and fund the mayor's election campaign.
When the Joker returns to Gotham, after retrieving his face, he goes on television and makes the claim that Mayor Hady will be dead at midnight. The Gotham Police Department spares no expense to protect Hady. It is revealed too late, that the security team put on the Mayor was the real target and James Gordon, Batman and Mayor Hardy are forced to watch helpless as the team succumbs to the Joker's latest toxin.
After facing significant pressure from Leviathan and its leader Talia al Ghul, Mayor Hady is forced to meet their demands to declare Batman and Bruce Wayne illegal and fugitives to the law.
Mayor Hady publicly endorses the company of Wrath (Caldwell) to provide enhanced technology for the Gotham City Police Department. This turned out to be nothing more than a ruse
After James Gordon seemingly causes the Gotham train derailment and the deaths of 162 people, Mayor Hady receives a visit from Carmine Falcone who reveals that Hady was decided as mayor in a back alley 3 months before the election and chastises him for appointing Gordon as commissioner in the 1st place. Falcone uses this to manipulate the Mayor into appointing Jack Forbes as interim Commissioner to divert attention away from his gang war with Penguin until he and Forbes are exposed by Jason Bard. Working under Hush, newly appointed Commissioner Bard pressures the mayor into declaring martial law in Gotham after he initially laughs the suggestion off. Due to further machinations by Hush that result in Batman's weapons being turned against him, the mayor works with Bard to pressure Lucius Fox into dissolving Wayne Enterprises. Later, when the city goes up in flames and the events of the past year come to a climax, the mayor tries to leave Gotham when Commissioner Bard, realizing the error of his ways, petitions to release Gordon until Bard manhandles the mayor.