| Real Names/Hint | Enemies |
| Lonnie Machin | |
| Julian Day | |
| Floyd Lawton | |
| Selina Kyle | |
| Venom | |
| Garfield Lynns | |
| Mark/Roland Desmond | |
| Insane psychologist who deduced Batman's identity | |
| Oswald Chesterfield Cobblepot | |
| | Real Names/Hint | Enemies |
| Cameron Van Cleer/Drury Walker | |
| Serial killer who cuts tally-marks into his body for every victim with his trademark carving-knife. | |
| Clown | |
| Harleen Quinzel | |
| Basil Karlo/Matt Hagan/Preston Payne/Sandra Fuller/Cassius Payne/Johnny Williams | |
| Arthur Brown | |
| Dr. Thomas Elliot | |
| Thomas Blake | |
| Anatoli Knyazev | |
| | Real Names/Hint | Enemies |
| Kirk Langstrom | |
| Jason Todd | |
| Pamela Lillian Isley | |
| Roman Sionis | |
| Arnold Wesker/Peyton Riley | |
| Jervis Tetch | |
| Curt Calhoun/2nd Unknown | |
| Dumfrey and Deever Tweed | |
| Simon Hurt | |
| | Real Names/Hint | Enemies |
| Demon's Head | |
| Cryus Gold | |
| Victor Fries | |
| Harvey Dent | |
| Edward Nigma | |
| Waylon Jones | |
| Dr. Johnathan Crane | |
|