1st appearance of Ion, the being that merged with Kyle Rayner in Infinite Crisis Special: Rann-Thanagar War #1
1st full appearance of Sayd, a Guardian of the Universe
1st appearance of Low, a parasitic Yellow Lantern
1st appearance of Kryb, a Yellow Lantern who abducts the children of Green Lanterns
1st appearance of Romat-Ru, a Yellow Lantern serial killer
1st appearance of Slushh, a Yellow Lantern who liquefies and absorbs organic material
1st appearance of Tekik, a Yellow Lantern robot
1st appearance of many other Yellow Lanterns who appear fewer than 15 times in other issues
Origin of Sinestro
