| 2023-05-18 16:18:04 | psenough | Added credit for Grimlock on The Purple Carrot 06/95: Graphics |
| 2019-12-13 04:48:28 | sensenstahl | Updated Grimlock's membership of Twilight: changed group to Twilight |
| 2018-08-23 07:05:48 | Cthulu | Added credit for Grimlock on 33RULES: Graphics (ANSI art) |
| 2018-08-14 22:18:40 | Cthulu | Added credit for Grimlock on INT-07958: Graphics (ANSI art) |
| 2018-08-14 22:14:35 | Cthulu | Added credit for Grimlock on INT-0795: Graphics (ANSI art) |
| 2018-08-14 02:46:59 | Cthulu | Added credit for Grimlock on INT-0695: Graphics (ANSI art) |
| 2018-08-13 22:18:06 | Cthulu | Added credit for Grimlock on INT-0495: Graphics (ANSI art) |
| 2015-10-20 18:16:26 | se7en | Updated Grimlock's membership of Fire: changed group to Fire, set as ex-member |
| 2015-10-20 18:16:17 | se7en | Added Grimlock as a member of Fire |
| 2015-05-19 18:25:00 | Cthulu | Added Grimlock as a member of Integrity |
| 2013-05-28 01:31:35 | dipswitch | Added Grimlock as a member of Twilight |
| 2013-05-28 01:31:21 | dipswitch | Added credit for Grimlock on GO! 3 - B-Side Edition: Other (Voting) |