Espionia

Espionia is the het ship between Espio and Sonia from the Sonic the Hedgehog fandom.

Canon
Sonia only appears in Sonic Underground, four years after the release of ''Knuckles' Chaotix.

Fanon
Espionia is a fairly popular ship, although they will most likely never meet. Some fan fictions has somewhat romantic tensions in them.

Espionia is among the most popular ships for Espio and Sonia, but mainly battles Knuxonia, Espade, Bartonia, and Espicole.

Fandom
DEVIANTART