| 2023-12-19 17:56:21 | menace | Updated Diabolical Joker's membership of Phoenix: set as ex-member |
| 2021-04-01 01:41:14 | dipswitch | Added Diabolical Joker as staff member of Gotham City (718) |
| 2021-04-01 01:40:52 | dipswitch | Set location to New York City, New York, United States |
| 2018-06-27 15:42:08 | sensenstahl | Added Diabolical Joker as a member of Phoenix |