Both of the titles of reference the ocean in some way.

Aphrodite, while best known as a Goddess of love, beauty, and sexuality, was connected to the sea in reference to her birth from the sea-foam after the genitals of Uranus fell into the ocean upon being castrated by his son, Cronus.

The Aquatic Ape Theory refers to a hypothesis that states that humans developed their physiological features such as hairlessness and even bipedialism from semi-aquatic ancestors that later returned to land.