Peak 4chan for me was that post titled "Hey /b/ros, what's in your freezer?" with a picture of a frozen human foot. That, or the one where a guy strangled this woman and left her naked on her bed, for her teenage son to find when he got home.
Yeah, I mean, if you really want to remember specifically the people who abused their anonymity to portray themaelves as edgelords, go ahead. I'll choose to remember the creativity.