My favorite is when we, The Grapes of Wrath (so named because we hail from wine country in NYS) used a discarded wine barrel for our hopper, thus making our robot smell quite strongly of strawberry Manischewitz.
https://www.youtube.com/watch?v=rfFGwIBrspM
We were *terrible* at game-play because we thought we could "snipe" with a shooter and failed rather spectacularly at it, but our fantastic human player helped make up for--
Oh, wait, I forgot the first rule of Lunacy!