Echidna is called the Mother of Monsters in Greek Hesiod described her as half beauty and half serpent beast, huge, brightly colored and voracious. Echidna gave birth to Cerberus and the Hydra, the Chimera and the Sphinx.

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"I know that I hung on a windy tree
nine long nights,
wounded with a spear, dedicated to Odin,
myself to myself,
on that tree of which no man knows from where its roots run."
- Rúnatal, Odins Rune song, from the Hávamál of the Poetic Edda

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