Daedalus Daedalus, and he to Hephaestus, son of Zeus." This suggests that Daedalus was related to Hephaestus, the god of blacksmiths, and therefore to Zeus himself. Daedalus is first mentioned by Homer as the creator of a wide dancing-ground for Ariadne. He also created the Labyrinth on Crete, in which the Minotaur (part man, part bull) was kept. In the story of the labyrinth as told by the Hellenes, the Athenian hero Theseus is challenged to kill the Minotaur, finding his way with the help of Ariadne's thread. Daedalus' appearance in Homer is in an extended metaphor, "plainly not Homer's invention",
The Daedalus Variations original concept of an episode involving alternate realities was a room in Atlantis that shifts into alternate realities. However, the idea had several issues, including the possibility of no Atlantis in one reality, so Robert C. Cooper suggested using the "Daedalus". The final draft of "The Daedalus Variations" was completed on February 11. On February 12, the prosthetics meeting for the episode, as well as "The Seed", "Broken Ties" and "Whispers" took place, which most likely involved the unknown aliens featured from the episode. The appearance of the aliens was revealed in the advertisement for the episode on July 27.