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
Thanatos Thanatos In Greek mythology, Thanatos (; , pronounced in "Death", from θνῄσκω "thnēskō" "to die, be dying") was the personification of death. He was a minor figure in Greek mythology, often referred to but rarely appearing in person. His name is transliterated in Latin as "Thanatus", but his equivalent in Roman mythology is "Mors" or Letum. Mors is sometimes erroneously identified with Orcus, whose Greek equivalent was Horkos, God of the Oath. The Greek poet Hesiod established in his "Theogony" that Thánatos is a son of Nyx (Night) and Erebos (Darkness) and twin of Hypnos (Sleep). Homer also confirmed Hypnos