This deity wrestled (*) Heracles for the hand of Dejanira, and the cornucopia was created when Heracles ripped off one of his horns.
By some accounts, this figure fathered the Sirens with the muse Terpsichore, and this figure was often depicted as a bull with an old man's head. In one story, this figure offered Alcmaeon his daughter Callirhoe after Alcmaeon was no longer pursued by the Furies when reaching this figure's home. In the Metamorphoses, Thesus waits in this figure's grotto during a flood. This deity wrestled (*) Heracles for the hand of Dejanira, and the cornucopia was created when Heracles ripped off one of his horns. For 10 points, identify this personification of a river in Western Greece, the chief of the river gods in the classical world.
By some accounts, this figure fathered the Sirens with the muse Terpsichore, and this figure was often depicted as a bull with an old man's head.
Achelous [accept Acheloos or Achelous River]