Cheers, JennyPop readers! You know I love my animation and I was thrilled to see nestled snuggly in my Hulu queue The Simpsons 500th episode: At Long Last Leave, (s23e14). Five-hundred episodes, in this flighty and fickle culture? What a feat! There’s a simple reason The Simpsons has surpassed just about every comedic expectation and mile marker unwittingly set during its twenty-three seasons. To date, it’s a triple threat as the longest-running cartoon, sitcom and scripted prime-time production in American television history. Creator Matt Groening clearly achieved his “vague idea of invading pop culture” when he set about inventing a jaundiced version of his real-life nuclear plant father in the fairy tale burg of Springfield, U.S.A.. Only Groening and the writers know the true secret of the show; but I, purely as a fan, have my own theory. What a shock, Hannah has a theory. Well, here it is, babies … it’s timing! The animation wunderkind-cum-wunderkonig remains relevant and relative after decades of the pop culture pendulum swinging this way and that, actor/producer negotiations, competing animation and the never ending need for a new couch gag. Still, the show sallies forth gallantly not merely because of an endless string of puns, zingers, quips, gambols, japes and jibes but because of the flawless delivery of said-craft. Comedy isn’t just the writing.…