Dragons play a great role in Greek mythology.Homer describes the dragons with wings and legs.
D. Ogden speaks of three ways to explain the origins of Greek dragon myths: as vertical evolution from (reconstructed) Proto-Indo-European mythology, as horizontal adaptation from Ancient Near Eastern mythology, or as sitting within "the cloud of international folktale". Regarding theories of vertical transmission, Ogden argues that they carry "an unspoken assumption that prior to such a transfer the Greeks' own myth-world was a tabula rasa", which he calls absurd; only Typhon's Near Eastern origins are, in his view, plausible.
Typhon was the most fearsome monster of Greek mythology. The last son of Gaia, Typhon was, with his mate Echidna, the father of many other monsters. He is usually envisioned as humanoid from the waist up, serpentine below.
Ladon was the serpent-like drakon (dragon, a word more commonly used) that twined round the tree in the Garden of the Hesperides and guarded the golden apples. Ladon was also said to have as many as one hundred heads. He was overcome and possibly slain by Heracles. After a few years, the Argonauts passed by the same spot, on their chthonic return journey from Colchis at the opposite end of the world, and heard the lament of "shining" Aigle, one of the Hesperides, and viewed the still-twitching Ladon (Argonautica, book iv). The creature is associated with the constellation Draco. Ladon was given several parentages, each of which placed him at an archaic level in Greek myth: the offspring of "Ceto, joined in love with Phorcys" (Hesiod, Theogony 333) or of Typhon, who was himself serpent-like from the waist down, and Echidna (Bibliotheke 2.113; Hyginus, Preface to Fabulae) or of Gaia herself, or in her Olympian manifestation, Hera: "The Dragon which guarded the golden apples was the brother of the Nemean lion" asserted Ptolemy Hephaestion (recorded in his New History V, lost but epitomized in Photius, Myriobiblion 190).