Aegir and his wife were apparently into creative (and themed!) baby names: All of their nine daughters are named after properties of waves. (Skáldskaparmál, p. 220)

Cyber-joke: The Drupal Group created open-source software called Aegir. It's—you guessed it—a hosting system.

It took a few hundred centuries, but Aegir finally got his astrological body: In May of 2004, researchers announced a new moon of Saturn, which they named after the sea-god. (Source)

The U.S.S. Aegir was the name of a United States submarine in service from October 1943 to May 1972. (Source)