https://www.poetryfoundation.org/poems/45234/the-emperor-of-ice-cream:
"The only emperor is the emperor of ice-cream. In the context of death, an echo of Hamlet's comment to Claudius: 'Your worm is your only emperor for diet. We fat all creatures else to fat us, and we fat ourselves for maggots.' "
https://readingdysfunctionalfamilies.wordpress.com/2015/09/24/hamlets-speech-of-worms/
