Caeneus

In Greek mythology, Caeneus (Ancient Greek: Καινεύς, Kaineus) was a Lapith hero of Thessaly. According to Ovid's Metamorphoses, he was originally a woman,Caenis, daughter of Atrax.

In Apollonius of Rhodes' Argonautica, he is briefly noted as the great father of a lesser son, Coronus, who sailed forth among the Argonauts. The striking mythic image of this hero is that, indomitable through his more-than-human power, his enemies the Centaurs resorted to driving him into the ground with timbers.

they could neither force him to yield, nor yet dispatch him,

but unbowed, unbroken, he went into earth down under,

Originally a woman named Caenis, he was abducted by Poseidon who fell in love with him. Afterwards, Poseidon promised to grant any wish to her and Caenis wished to have a man's body. Not only did Poseidon grant this, he also granted Caenis impenetrable skin. Soon, Caenis changed his name into Caeneus.

Caeneus met his fate in the battle between the Lapiths and the centaurs (see Pirithous). Similarly, in the Iliad (without referring to these transformations) Nestor numbers Caeneus among an earlier generation of heroes of his youth, "the strongest men that Earth has bred, the strongest men against the strongest enemies, a savage mountain-dwelling tribe whom they utterly destroyed".

In Ovid's description of the tale, a particular centaur, Latreus, mocks Caeneus and denies his skill as a fighter when he realizes Caeneus' female origin. Caeneus strikes Latreus a blow in the side, and is unharmed by the centaur's last attempts at wounding him. In revenge for this, the centaurs piled pine-tree trunks (some say fir trees) and stones upon him, since he was immune to weapons.

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