| 2025-06-22 16:16:09 | dipswitch | Added credit for Gladstone on Greentro: Graphics |
| 2025-04-06 21:47:56 | Brittle | Updated Gladstone's credit on Nope: Graphics |
| 2021-12-31 05:07:36 | menace | Added credit for Gladstone on The Party 4 Report: Graphics |
| 2019-07-20 11:21:07 | RufUsul | Added credit for Gladstone on Warp: Graphics |
| 2017-08-04 20:11:56 | sensenstahl | Added credit for Gladstone on The Hideout BBS: Graphics (VGA Logo) |
| 2014-09-30 00:58:16 | dipswitch | Added credit for Gladstone on Hope 1: Graphics |
| 2014-01-17 13:22:58 | tomaes | Added credit for Gladstone on Ich kann euch sehen: Graphics (typography) |
| 2013-06-30 01:58:39 | dipswitch | Added credit for Gladstone on Nope: Other (Unknown) |