Why did teppy call mrsbelmont belshazzar?

Teppy called Mrs. Belmont "Belshazzar" as a playful reference, likely drawing on the biblical figure who was known for his extravagant lifestyle and eventual downfall. This nickname may suggest that Teppy sees Mrs. Belmont as someone who embodies similar traits, perhaps hinting at her opulence or social status. The use of such a name also adds a layer of humor or irony to their interaction, highlighting Teppy's wit or sarcasm.