None of us, the administrators, can update the avatars. The static.wikia.net links are not working like they should be. I have not the slightest clue what is up with it; I believe I did put the code correctly into the External Image Whitelist. I will try to fix the matter as soon as possible, so please don't bother the staff about the outdated user avatars. I apologize for the inconvenience.
I have also seen many people growing worried because their avatars are not there or are glitching out. Don't worry, many other wikis have been having the issue too. I am sure that the Wikia staff will fix it as soon as they can, you just have to be patient.
That is all for today. I hope you all have a wonderful rest of the week and don't forget to smile!