"Be back in twenty seconds, respawning as Tank"
or
"Warning to others: Do NOT change last name to 'Carmine'"
or
"Found Waldo"
or, normal tombstone, with "Nope, nothing back here" on the back.
"In Purgatory, chillin' with Cliff Burton and The Rev."
On a serious tombstone:"My body lies, but still I roam."
(Before anyone bitches, The whole Purgatory quote is a joke between my friends and I, where both Cliff and Jimmy chose willingly to go to Purgatory to play for all the Damned souls, easing their pains. No hate intended)