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) In this respect he was the equivalent of Mars, Janus, Saturn and even Jupiter among Latin tribes. Salacia would represent the virile force of Neptune. The Neptunalia was the festival of Neptune on July 23, at the height of summer. The date and the construction of tree-branch shelters suggest a primitive role for Neptune as god of water sources in the summer's drought and heat. The most ancient Roman calendar set the "feriae" of Neptunus on July 23, two days after the Lucaria of July 19 and 21 and two days before the Furrinalia of July 25. Georg Wissowa had