User contributions
- 00:12, 21 May 2022 (diff | hist) . . (-17,134) . . 926: Time Vulture (Undo revision 272331 by Explain xkcd server admin (talk))
- 06:02, 26 February 2022 (diff | hist) . . (+224) . . 2586: Greek Letters (added explaination for lower-case upsilon and lower-case nu, could be improved tho)
- 06:10, 26 January 2022 (diff | hist) . . (+134) . . 2572: Alien Observers