The last picture is big Hello Kitty Plushie getting trolled at Kumoricon.
Unfortunately this guy was caught ghosting ( trying to sneak in without a badge) and was thrown out. I hope he was not an radio shock jock trying to pull a stunt.
How to Simulate a Furry Convention at Home
1- 11 By Acton
The inspiration for this came from a joke how to simulate Navy Shipboard Life at sea. http://www.midwaysailor.com/military/shiplife.html