Fomorian: A giant sea demon; an ancient sea monster, associated with the destructive forces of nature. From Irish fomor pirate, monster. 1876. (Irish-Celtic)

Balor

Bres or Bress

Buarainech

Cethlenn

Cichol Gricenchos or Cíocal

Conand

Corb

Elatha or Elathan

Eriu

Ethniu or Ethliu

Sengann

Tethra