Little is known of Flodo Span's history as a Green Lantern. As an abstract lifeform, Flodo Span creates a body for himself with the power ring. In truth, it is not known if Flodo Span is a "he" or if gender even applies.
Created shortly after the Guardians of the Universe had eliminated sector assignments, the Green Lantern Corps of The Klyminade was one division of the larger Corps. Flodo Span was one of the eight members of this Corps. He appeared to have a close relationship with Olapet of Southern Goldstar, a plant lifeform. The Klyminade Corps was decimated by the power of Sinestro and his ally the sentient sector 3600.
There were three survivors: Flodo Span, Olapet and Driq of Criq, who was killed, but his ring refused to let his lifeforce leave his body. The Green Lanterns swore vengeance against Sinestro, and set off towards Earth to warn Hal Jordan of Sinestro's villainy.
In route to Earth, the trio met members of the Green Lantern Corps of Earth. Arisia, John Stewart, Katma Tui-Stewart, and Kilowog had been searching for other Green Lanterns to join their Earth based Corps.
The Green Lanterns attacked Sinestro on the moon of Eidakon. They had apparantly defeated their enemy when they were swept away by the power of Sector 3600. Plunged through a black hole, they were transported to the remains of Space Sector 872.
Arriving at the sole planet in the sector, the Green Lanterns were attacked by five hostile aliens. They had destroyed all life in their galaxy, including the two Green Lanterns of that region of space. Despite this formidible action, they were defeated by the Green Lanterns.
After another devastating attack by Sinestro and the sentient sector, Kilowog's last hope for saving the people of his homeworld was crushed. The loss sent Kilowog into shock, the large Green Lantern was randomly striking out, creating a threat to his fellow Green Lanterns. He was eventually calmed by Arisia.
The Green Lanterns devised a plan which required Flodo Span to enlarge his ring generated body to envelope the sentient sector. This caused Flodo Span to lose his grip on reality, but he was soon pulled together through the actions of Driq. The dead Green Lantern was splattered across the sector, his ring brought all of his pieces back, contracting Flodo Span and the sector as well. With the compresion of the sector, it was effectively neutralized. Sinestro was easily defeated by the emerald warriors. The Green Lantern Corps of the Klyminade parted from the Earth Corps, to meet another time.
The entire Corps was reunited for the trial of Sinestro. Flodo Span accompanied Olapet to Oa where they met up with Driq. The Corps found Sinestro guilty of the charges levelled against him and sentenced the renegade to death.
Unknown to the Corps, the execution of Sinestro triggerred the implosion of the Central Power Battery and with that, the absorption of the Green Lanterns' power rings into the collapsing battery.
Hal Jordan and Flodo Span went into the battery to attempt a reversal of the process. Inside the power battery was deadlier than outside. After his power ring was absorbed by the battery, Flodo Span was dissipated into the void.
Flodo Span is memorialized in the Crypts of the Green Lantern Corps on Oa.
"Once there was but darkness,