Well I'd agree with you but there were dozens of the, all over. By the time we walked out they were mostly cleaned up. Someone obviously did them over the weekend. One behind each stall. That's pretty elaborate for someone to get me to post on the site with no other back story. Plus these are mainly computer dudes. No pranking in 'em. Not techy enough either.

Also wasn't disturbed. We were all laughing at them and figured it was somebody that got a Wiccan discount spell book off of Amazon.

Did they know your username before this? If so, I'd say it's not a prank by your co-workers...if they didn't know your username, i'd say it's a prank to trick you into revealing it.

Yeah I have a gut feeling they are just joking around with you!

Hehe, loved the OP, funnily enough, I am also the resident conspiracy nut in my office lol