The answer is: Belshazzar

Daniel 5:2-3

In the Book of Daniel, King Belshazzar's feasting incident is as striking as it is significant! Hosting a lavish banquet with those elegant gold and silver vessels from the Jerusalem temple was both an act of betrayal and a moment of hubris. To Belshazzar, it was a demonstration of dominance over the conquered Israelites, forgetting fully the powerful legacy of those sacred vessels.

While indulging with his guests, he was entirely blind to the dire juxtaposition of his prideful celebration and the impending divine judgment. The mysterious writing on the wall, “Mene, Mene, Tekel, Parsin,” that interrupts the party perfectly symbolizes this: a warning that has echoed through generations, implying "Your days are numbered". This accounts not just for Belshazzar alone, but serves as a reminder about careless living for all.

An interesting tidbit—Belshazzar is notably not referenced in the biblical lineage for Babylonian kings; he may, in fact, be the co-regent with his father, who was away during this time. In the vast tapestry of history, the moral reflection beckons: this chapter teaches us about accountability and recognizing the weight and symbolism behind our actions - whether it’s within ourselves or communal events. Ultimately, it was a swift 180-degree turn for Belshazzar, reminding everyone that one's actions are always met with consequence, however celebrated or seemingly insignificant they may first seem.