I logged in as me (the face with the red background) and made some introductory posts. Then I changed the owner of the posts to
system (the blue and white logo), so it looks like it came from the system itself, so it looks more official and not my personal thing. The posts show the new owner, but the ‘last post’ slug is still my avatar:
I also appear as one of the post users in the main screen:
I think this is a bug, or is there a way to completely remove myself from the topic that I’m just missing?