Courtesy of MacHall's Otakon 2003 photo album:
Stage ninja and Dombox
The Killstick
Pontus in his bunny suit

That's Ukyo the server guy on the right in the first panel. You may remember seeing him in strip [398].
Mr. Madsen of Little Gamers was true to his word and wore a pink bunny suit.
Crown Royal is whiskey that comes in a big fancy bottle.
Wai = Yay
Nohohon is a set of cute kitty characters.

Piro speaks:
FYI, that bottle of Crown Royal is still sitting, in its box, in our new kitchen, unopened. :)