What odd, interesting elements do you have in all their variations?

[Blondie-Wan]

So I was just checking out Peeron to see if a new set I recently acquired had been added to the database, and I happened to notice the Random Piece of the Day, which as of right now is "'Animal Dinosaur Body Right Side with Holes' (40373)." I happen to have a number of these, both with printed patterns and without, and I'm glad to have them; I've seen some people here lament this particular element (or at least its application in building certain things such as Star Wars' Boga, for example), but I've always been fond of this system for recreating large-bodied animals in LEGO; it seems to just complement the aesthetic of the minifigure universe so well, to me. I checked out the part's page, and noted I actually had all the colors in which it appeared plain, according to Peeron (indeed, I actually have every set it's in - not a bigger deal, really, since every set in which it appears without printing has it in a different color). Then I checked out the patterns... and it turns out I have them, too, all five of them. Huh. Without any particular goal or even awareness of doing so, I somehow managed to get every single version - every color and/or print - of this one odd part, at a time when my Dark Ages were barely over and I wasn't yet chasing after nearly as many new sets and/or themes as I do now. Interesting. Well, to me, anyway.

So... What parts can people here claim to have comprehensive assortments of them in their inventories? I'm not necessarily talking about ordinary things like 2x4 bricks, but odd, funky parts with relatively limited appearances, yet which exist in enough variety (different colors and/or decoration) that it might be considered something of an accomplishment to get them all, and yet we've managed to do just that. Let's see what you've got!

[SNIPE]

you might want to check out my two posts named 'odd bricks' and 'more odd bricks'

http://www.eurobricks.com/forum/index.php?showtopic=59022&st=0&p=1052346&hl=odd%20bricks&fromsearch=1entry1052346

http://www.eurobricks.com/forum/index.php?showtopic=58947&st=0&p=1050651&hl=odd%20bricks&fromsearch=1entry1050651

there is some intresting stuff there.