While the contemplation of the topic may be sad, the results are often pretty hilarious, as evidenced in this great piece by Šarūnė Mac, "50+ Brilliant Tombstones by People Whose Sense of Humor will Live Forever."
But, a warning. Amid the smiles are the headstone messages that are so profound that they can, indeed, elicit a tear. Like the first one, marking the final resting place of a Gay Vietnam Veteran:
"When I Was in the Military, they gave me a medal for killing two men...and a discharge for loving one.