April 18th, 1999 - Wear a fish on your head. Tell people you lost a bet.
May 18th, 1999 - Sit buck naked on someone elses office chair.
June 18th, 1999 - Orgiastic celebratory feast of SW's enlightenment. (Got
a new job)
Plus the official launch of the Mr Yuck WWW page!
July 18th, 1999 - Dress as a medical doctor. Tell people you are performing
strip-o-grams.
December 18th, 2000 - Fool people into thinking you're on vacation and then
show up at their annual pity party for SW, who is back for a visit.
September 18th, 2001 - Use "Super Yuck-powers" to make the servers fail randomly,
mess up the link to the outside world and cause general network havoc.
August 15th, 2003 - Use "Super Yuck-powers" to cause a power outage, which
causes general havoc and lets Mr.Y. go home early.
(I know it's not the 18th but Hey! Take it easy guy! It's a Friday! Look
over there!)
August 18th, 2003 - Give your boss a cow with "Krazy Kow Disorder".
February 18th, 2005 - Walk in to an area reserved for attendees of a specific
conference (which you are not one of) and "liberate" some unwanted treats
from certain wastefulness.