Caleo is a het ship between Calypso and Leo Valdez in the The Heroes of Olympus fandom.


This ship is relatively popular in the fandom.


  • The name Leo is one of the twelve zodiac signs which has fire as it's element.
  • Thalia Grace was Leo's first love interest, and she is the only one who is at least partially human. The love in question were all one-sided on Leo's part, though.
  • Calypso is the first out of four love interests to genuinely have any real romantic interest in him.
  • Leo is the only man who has ever reciprocated Calypso's affections and actually wanted a relationship with her.

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