Nereus was created by Aquaman artist Paul Pelletier and writer Geoff Johns. He made his debut in Aquaman #19.
Major Story Arcs
Death of a King
When Mera returned to Xebel after encountering the Dead King, Nereus assumed she had returned because she had successfully completed her mission to kill Aquaman and had returned to take her rightful place as Nereus' queen, already referring to her as his wife.
Rise of the Seven Seas
After the Dead King is defeated in Atlantis, Nereus finds Ocean Master who has been living on land and asks him to join him in finding the Seven Seas and ruling rhe world.
Powers and abilities
Nereus is an Atlantean from Xebel, which grants him a number of superhuman powers that follow:
Like all normal Atlanteans, Nereus possesses a degree of super strength
Like all normal Atlanteans, Nereus possesses a degree of superhuman durability (as shown in his brief fight with Mera)
Like all Atlanteans Nereus is able to normally function and move underwater, unfazed by the pressure, temperatures or lack of light.
Nereus has the ability to control water (similar to Mera)
Nereus is described as one of Xebel's greatest warriors.
He is the leader of Xebel's colony.
Weapons and Equipment
He is seen carrying a Xebelian spear as a standard weapon.