Mabel Martin is a personal assistant working in Gotham City who becomes secretary to the Riddler when he begins his career as a consulting detective. She is shown to be with his business since the first case they take. In addition she accompanies him to social events, appearing with her boss at the Penguin's Iceberg Lounge night-club opening night. Later she is also shown to be star-struck when welcoming Bruce Wayne into an appointment when he needs the Riddler's services.
- Mabel's last name was never given in publication, she was only introduced as Mabel. Paul Dini revealed her last name as Martin when we bugged him on Twitter.
- 3 Appearances of Mabel Martin (New Earth)
- 2 Images featuring Mabel Martin (New Earth)
- Quotations by or about Mabel Martin (New Earth)
- Character Gallery: Mabel Martin (New Earth)