Hippias was a member of King Dalios's council in Atlantis. He had once been in love with the King's wife Galleia.

After observing the disappearance of Krasis and reporting it to his king, he was entrusted with the secret of the Crystal of Kronos. He was sent into the labyrinth by the Master and Galleia to retrieve the Crystal, but was killed by the Minotaur. (TV: The Time Monster)

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