Momus

In Greek mythology (Momus) was the personification of satire and mockery...
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As a sharp-tongued spirit of unfair criticism, Momus was eventually expelled from the company of the gods on Mount Olympus... In the 8th century BCE epic Cypria, Momus was credited with stirring up the Trojan War in order to reduce the human population.
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The most widely reported (Aesop's fable) of these in Classical times is numbered 100 in the Perry Index. There Momus is asked to judge the handiwork of three gods (who vary depending on the version): a man, a house and a bull. He found all at fault: the man because his heart was not on view to judge his thoughts; the house because it had no wheels so as to avoid troublesome neighbours; and the bull because it did not have eyes in its horns to guide it when charging...
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By this period (18th century Europe), Momus was the patron of humorous satire, partnering the figures of comedy and tragedy. As such he appeared flanked by these female figures on the frontispiece to The Beauties of the English Stage (1737), while in Leonard Defraine's Figures of Fabled Gods (1820), he partners Comus, god of Carnival, and Themis, patroness of assemblies.
Because of the Harlequin connection, and as the character able to make home-truths palatable through the use of humour, Momus had now taken the place of the Fool on a French Minchiate card pack.