In Norse mythology, Endill is a jötunn, god or sea-king.
He is attested in the Prose Edda list Nafnaþulur, and in various kennings.
In Nafnaþulur, he is mentioned as only a name in a list of 75 sea kings.
Likewise, on the Karlevi Runestone his name appears in [Æ]ndils iarmungrundaR which is a kenning for the sea.
This article relating to a Norse myth or legend is a stub.