Major Story Arcs
In her Silver Age incarnation, Atlanna left Atlantis to travel abroad. She was almost killed in a raging hurricane but her unconscious body was located by Tom Curry. A lonely lighthouse keeper, Tom took her in and nursed her body back to health. The two fell in love and acted as husband and wife. They had a son, Arthur Curry. She decided to keep her origins secret. She died young due to an illness. She confessed the truth about her life on her deathbed. Arthur was only a child when he learned of his Atlantean origins.
Following the Crisis on Infinite Earths, her history was significantly altered. She was wife to King Trevis who was sterile and thus their marriage was childless. One night in her dreams she was seduced by Atlan, a powerfull and ages old Atlantean sorcerer. Theygave birth to a son, Orin. But the boy was born with blond hair, considered an ill omen by their people. She was sent into exile and lost contact with her son. She attempted to return to Atlantis but was there captured and imprisoned. Vulko, an elderly scholar was her only friend in her years of captivity. An adult Orin got the chance to see his mother when he became a fellow prisoner. She died soon after due to illness. This world's Tom Curry had adopted Orin but never met Atlanna.
Following Brightest Day, aspects of the Silver Age version may be back in continuity but it is unclear yet as to what extent. It is possible the origin provided in Flashpoint will reflect the new origin.
During the Emperor Aquaman story in the crossover event Flashpoint, another altered origin for Aquaman's birth (and thus Atlanna) was told. This one combined the silver age and modern age origins.
Instead of being the Queen of Atlantis, Atlanna is the princess who has run away. She meets the solitery lighthouse keeper Tom Curry, the two fall in love and she soon becomes pregnant. Atlantean soldiers sent by her father find her and drag her back to Atlantis, almost killing Tom Curry in the process, she dies giving birth and the unwanted child is abandoned on Mercy Reef. Dolphins (possibly Porm) knowing that the child is the destined ruler of the seas, take him back to his father who brings him up on the surface world. When the King dies and his advisor sends for the child to be returned, Tom Curry mistakes this for an attack and dies fighting the Atlantean soldiers. This version of Aquaman grows up violent and without the compassion he learns from his father.
Like all Atlanteans, Atlanna is amphibious but needs regular contact with the sea to remain healthy. Her body is durable enough to withstand the pressures of the sea depths. Her strength and stamina were superhuman to an unknown degree. She was a low-level telepath, an ability widespread in her people for communication.
Batman: The Brave and the Bold
She appears in a small flashback on third episode. She gave the power to rule Atlantis to Aquaman over his brother Orm.