Hittite/Babylonian sun, storm, or warrior god, also perhaps associated with agriculture, who the Greeks equated with Herakles (Hercules) and who the Lydians believed their royal house descended from.  Sardis (Sardes, Sardeis), the capital of Lydia, may have been named after Sandon.  "In honour of Sandan-Heracles there was celebrated every year in Tarsus a funeral pyre festival, at the climax of which the image of the god was burned. The dying of nature under the withering heat of the summer sun and its resurrection to new life was the content of this mystery, which at once suggests its kinship with the cults of the Syrian Adonis, the Phrygian Attis, the Egyptian Osiris, and the Babylonian Tammuz."1
The pyre of Sandan is featured on coins of Tarsus.  Sandan is also associated on coinage with a lion.