Ulmo Ulmo Ulmo (from the Valarin Ulubôz, Ullubôz via Ulumō) is a fictional character in J. R. R. Tolkien's Middle-earth legendarium. He first appears in "The Silmarillion" as a god or Vala of the Elven pantheon. Ulmo is a title, which means "He who pours". He is also known as "King of the Sea" and "Lord of Waters". Ulmo is similar to the god Poseidon in Greek mythology, Neptune in Roman mythology, Ægir in Norse mythology, and Manannan in Celtic mythology. Ulmo was one of the chief architects of Arda (the world). Ulmo was second in majesty of the Valar, after
Neptune (mythology) of Actium. This building substituted the older temple, which in its turn substituted a more ancient altar. Neptune is one of only four Roman gods to whom it was appropriate to sacrifice bulls, the other three being Apollo, Mars and Jupiter, although Vulcan was also allowed the offering of a red bull and a red bull calf. The wrong offering would require a piaculum if due to inadvertency or necessity. The type of the offering implies a stricter connection between the deity and the worldly realm. During the war with Veii in 393 BC the level of Lake Albano ("Albanus