Phantasos

Phantasos, one of the Oneroi, the Greek gods of dreams. Phantasos embodied Fantasy. Brother of Morpheus and Icelus.
Member of The House Of Erebus.
First appeared in Season 1.
Phantasos plunged Clearwater into a 1950s musical dream that gave odd reflections of people in the town. Simon Prince was a dorky kid who did other people's homework and got picked on. Mercedes Fabray - at this time the queen of the mean girls in 1985 - was an unpopular fan of medieval fantasy.
Phantasos said he would punish Fionn Corvin for the death of Icelus, his brother, Nightmare.
Was destroyed by Fionn Corvin backed by The Deadbeats in a musical duel.