Why is there a 'K' behind a rattlesnake wrapped around a cactus?
Well, that isn't too difficult to explain. You see 'rattlesnake' and 'cactus' both begin with a 'K' in German, and both being nouns, they begin with a capital 'K'.
Test your German and your ability to speak a foreign tongue twister:
Die Klapperschlange klapperte bis ihr Klapper schlapper klang.
(Try it with my American pronunciation: Dee klah-per-schlahng-eh klahp-pear-teh bis eer klah-per schlahp-pear klahng.)
This silliness means: The rattlesnake rattled till her rattle rattled out.