Zelus was the personified spirit (daemon) of rivalry, emulation, jealousy, envy and zeal.
Residence: Mount Olympus
Parents: Pallas and Styx
Siblings: Bia, Cratus and Nike
Roman equivalent: Invidia
He and his siblings, Nike (Victory), Bia (Force) and Cratus (Strength), were the winged enforcers of Zeus who stood in attendance of his throne.