AX 09 - Anime Expo 2009.

^ Did you go through the hall that connects the two buildings on Saturday/Sunday?

The Snake cosplayer set up a grave for himself over there, and went to the Exhibit hall to buy stuff. There were pieces of paper and pens on the floor for people to write things. Some guy drew a dildo, there were a bunch of "SNAAAAAAAAAAAAAAAAKE"s, and much lulz.

Also, this is the stuff I ended up buying:

 Spoiler

http://mikoto.files.wordpress.com/2009/07/dsc05676.jpg
(It's some 3000 x 2000 pixels, so I figured it'd be better to just link to it)

• Fourteen volumes of manga (Hayate 1 - 11, Negima 23, 20th Century Boys 3, and Sayonara, Zetsubou Sensei 2)
  
• Figures of Kagamiku, Yotsuba, and Eureka
  
• DMAD fanzine (by AnimeDiet)
  
• Gurren Lagann core drill
  
• Kallen poster
  
• Artwork of Miku (male), K-ON, new game characters, and two original pieces
  
• Okama artwork in cup and folder forms
  
• Megami magazine (2009 #3)
  
• Kannagi artbook
  
• SOS surfboard
  
• Minoru Shiraishi cell phone accessory
  
• Alastor, nyoro~n, Haruko (FLCL), and Haruhi t-shirts