| 2025-09-21 23:51:04 | Brittle | Updated Johny's membership of BOOM!: set as ex-member |
| 2025-09-15 20:31:00 | sachy | Added Johny as organiser of RetroKomp 2016 |
| 2025-09-15 20:27:59 | sachy | Added Johny as organiser of RetroKomp / Load Error 2013 |
| 2025-09-15 20:26:27 | sachy | Added Johny as organiser of RetroKomp 2018 |
| 2025-09-15 20:25:07 | sachy | Added Johny as organiser of RetroKomp / Load Error 2017 |
| 2025-09-15 20:24:15 | sachy | Added Johny as organiser of RetroKomp / Load Error 2015 |
| 2025-09-15 20:23:52 | sachy | Added Johny as organiser of RetroKomp 2014 |
| 2025-04-12 19:56:07 | miker | Added credit for Johny on Sachy 50 - Happy Birthday!: Text |
| 2025-03-21 20:55:12 | Brittle | Updated Johny as organiser of BOOM! Party 2025: changed role to compo team - Amiga |
| 2024-07-16 11:58:50 | Brittle | Added Johny as organiser of BOOM! Party 2025 |
| 2024-05-23 13:32:47 | Brittle | Added link https://csdb.dk/scener/?id=28073 |
| 2024-05-23 13:32:26 | Brittle | Updated Johny's credit on Hot Style #11: Text |
| 2024-05-23 13:31:58 | Brittle | Added Johny as a member of BOOM! |
| 2023-07-26 11:32:26 | Brittle | Added Johny as a member of RetroKomp/LoadError |
| 2023-07-26 11:32:14 | Brittle | Added Johny as a member of Lamers |
| 2023-07-26 11:32:08 | Brittle | Set location to Poland |
| 2022-12-31 20:31:00 | 100bit | Added credit for Johny on Hot Style #11: Text |
| 2019-11-10 18:46:29 | sheriff | Updated Johny's credit on Silly Venture 2019 Invitation: Other (statue inital version) |
| 2019-11-10 18:15:15 | ltk_tscc | Updated Johny's credit on Silly Venture 2019 Invitation: Graphics (Support) |
| 2019-11-10 17:19:30 | ltk_tscc | Added credit for Johny on Silly Venture 2019 Invitation: Graphics |
| 2017-12-10 23:08:40 | sheriff | Added credit for Johny on Prozac Dream - Final: Graphics |
| 2016-11-18 22:30:14 | ltk_tscc | Added credit for Johny on Prozac Dream: Graphics |