Poseidon greeting Theseus (on the right). Detail, side A from an Attic red-figured calyx-krater, first half of the 5th century BC. From Agrigento.
Syriskos Painter
CC BY 2.5
Marie-Lan Nguyen (<a href="//commons.wikimedia.org/wiki/User:Jastrow" title="User:Jastrow">User:Jastrow</a>), 2008-04-04