You have no idea what are those fans were thinking on Fanfiction...
They have been paired Athena with Poseidon, Ares, Apollo, Hermes, even Prometheus!! And Aphrodite, and Nike...
Also, they paired Ares with Eris as well. And most people found ApolloXArtemis to be interesting? (
)
Meanwhile with Hades, majority choose to pair him with Persephone, but they also paired him with Hera, sometimes with... Nemesis.
For even messed up mind, they have ZeusXPoseidon too...