Cercopes

The Cercopes of Greek legend are a pair of brothers — malignant dwarfs in one description, monkey-men by the usual reading of their name — who practiced every kind of knavery. An early fragment preserves their reputation in a couplet's worth of abuse: liars, cheats, accomplished rogues who wandered the whole earth deceiving whomever they met. The commonest names for the pair are Passalus and Acmon, though the compendia record rival pairs of names from other sources, and their parentage is given as Theia and Ocean. Their mother, in the fragment, knows exactly how her sons will end: she warns them to keep clear of Black-bottom — the hairy-rumped Heracles.

The warning came true in Lydia. During Heracles' servitude to Queen Omphale — the penance for which Hermes sold him, and in the course of which he cleared the country of its pests — the hero seized and bound the Cercopes near Ephesus. The scene was famous enough to be carved on one of the early metopes at Selinus: the tradition behind it has the brothers slung head-down from a pole across Heracles' shoulders, from which vantage they finally understood the nickname their mother had used, and their joking about it is said to have amused the hero into letting them go. Their end elsewhere is less merciful: one account has them turned to stone for trying their deceptions on Zeus himself, and another strand remembers them transformed into the monkeys they had always resembled.

They are small figures used for a large theme — trickery meeting its ceiling. Alone among Heracles' Lydian opponents they are comic: not a brigand to be executed but a nuisance to be exhibited, and the stories keep them in the register of farce even when the punishment is petrification. One late compendium reimagines them as vampiric creatures that creep in at night to drink a sleeping child's blood — an outlier reading, noted here because the census records it, not because the classical material supports it.

The paragraphs below are extrapolated; no source supports them.

The Cercopes read as compulsive, unreformable mischief — intelligence entirely in service of the short con, with no capacity to stop even when the mark is a hero or a god. Their saving trait is wit under pressure: mocking their captor from upside down and winning release by making him laugh suggests creatures whose deepest loyalty is to the joke, including at their own expense. Sociable only as a duo, faithless to everyone else. Read from their episodes, and marked as speculation.