1) King in Greek mythology 2) Mythological Greek character 
(from the article `Theseus`) ...Sinis, called the Pine Bender because he killed his victims by tearing them apart between two pine trees. Next Theseus dispatched the Crommyonian ...
In Greek mythology, a legendary bandit who robbed travellers, made them wash his feet on the cliff edge, and kicked them into the sea. He was given his own treatment by Theseus. ...
Robber; forced strangers to wash his feet, then hurled them into sea where tortoise devoured them; slain by Theseus.