I see you didn't take my advice on how to use that smallbore toilet, Rooster.
I'm an old Boy Scout.
I mean, when boy scouts were, ... you know, boys!
Anyway, we learned to leave the places we visited just the way we found them when we arrived. As it is NASA failed miserably on that score. Well, man in general. Between USA, Russia, China and Japan we've left over 208 tons of crap on the Moon.
Besides, if I were to leave behind something of mine, what am I going to do? Tell the pretty girl on the bar stool next to me, "Hey good looking, know what? I left a Dick Tracy Decoder Ring on the Moon! Pretty cool, eh?"
Trust me, it doesn't work. I'm not sure it's because they don't know who Dick Tracy is, or if they just think I'm full of shit.
Laika 2.01. The second dog on the Moon.
A bunch of empty beer cans. Who knows, some aluminum miners might happen by.
An ex-girlfriend comes to mind.