Dori Aandraison is from the planet Xolnar in the 30th-Century, Don hoped to become a Legionnaire as a stepping stone towards a career as a holovid actress. She won a trip to Metropolis where Legion of Super Heroes tryout were being held by using her powers in the “Miss Xolnar” contest. Rainbow Girl’s powers gave her a heightened pheromonic field which made her personality irresistable to everyone while surrounding her in a corruscating field of light resembling a rainbow. Unfortunately, she did not gain legion membership. Rather than returning to Xolnar, she married Irveang Polamar, a member of one of the oldest and wealthiest families in Metropolis, so she could remain on Earth.
Creation
Rainbow Girl created by Edmond Hamilton and John Forte
Character Evolution
Silver Age

While working on her autobiography, she could not shake her ambition to join the Legion of Super Heroes, so she gave up her life of power lunches and social teas and instead joined the Legion of Substitute Heroes, even though she felt they lacked enough publicity to do her any good.
Retroboot / New Earth

Dori once again works with the Substitute heroes, who become a resistance cell when Earth becomes a closed off and xenophobic society. Dori and the Substitutes assist in overthrowing the xenophobic Justice League and saving Earth from an invasion of an alien coalition.
Major Story Arcs
Powers & Abilities
Pheromonic Field
Dori had a heightened pheromonic field which made her personality irresistable to everyone while surrounding her in a corruscating field of light resembling a rainbow.
Emotional Spectrum
Rainbow Girl wields the powers of the mysterious emotional spectrum, the mysterious energies which power the various Lantern Corps. This makes Dori extremely powerful. However, when Dori uses her powers, they result in unpredictable mood swings.