Islam has some interesting beliefs if you dig down into its theology. One of them is that all the prophets are undead in their graves, with the exception of Jesus (Muslims believe Allah took him up to heaven while he was still alive, and someone else got crucified instead). In theory, that means Mohammed's conscious somewhere, underground. Like a vampire. Which doesn't seem like a particularly fulfilling existence.

In other grave-related theology, the Hadith claims sinners still feel pain in the grave, and you can hear them groan as Allah inflicts punishment upon them. Because the Hadith's rife with antisemitism, it depicts this happening to Jews.

Those beliefs inspired this triolet.

Mohammed's Tomb

Mohammed seethes within his tomb,
He vows to make the living pay,
Imprisoned deep, eternal gloom,
Mohammed seethes within his tomb,
"I'll rise again and bring them doom!
I'll drink the blood of those I slay!"
Mohammed seethes within his tomb,
He vows to make the living pay.