Replaced sister's Bonnie Bell with glue stick (1987).
Wore parachute pants to school and claimed it was part of my traditional ethnic garb. (1990)
Switched dad's regular coffee with Folger's Crystals. (1992)
Created the w32.Kato virus that sent all of your single female friends an e-mail asking them out, then a week later sent another convinced that the first one didn't go through, then a few weeks later another to tell them my Internet was down for a few days so if they tried to get a hold of me I wasn't 0nline, then another two weeks later to remind them of my e-mail address just in case they had forgotten or something. (1998)
Created a blog pretending to be a computer programmer from Ohio called Kato--actually an out of work circus geek from Bethesda, Maryland, called "Vlad the Inhaler". (2005)