Cyzicus

In Greek mytho-historical accounts Cyzicus is presented as the ruler of the Dolionians, a tribe inhabiting the southern shore of the Propontis, and as the eponymous figure who gave his name to the city of Cyzicus. Some summaries and secondary traditions connect the founding population or the eponymous founder with Thessalian migrants, but surviving excerpts leave that detail uncertain and fragmentary. The figure functions within the common Greek practice of linking places and peoples to named founders or rulers, situating a civic identity in legendary genealogy rather than describing divine origin.

No physical description of King Cyzicus is preserved in the provided sources. Ancient summaries identify him relationally and politically — as king of the Dolionians and as the eponymous ancestor of the city of Cyzicus — rather than by bodily traits or iconography.

Sources attribute no supernatural powers to Cyzicus; his described 'abilities' are civic and social: rulership over the Dolionians, association with local foundation/founding traditions, and lending his name to the city. He is treated as a mortal historicized or legendary king within civic-memory narratives rather than as a deity or cultic spirit.