Ion is an entity who embodies will as Parallax embodies fear. Ion resides within the Green Lantern Central Power Lantern to hold Parallax at bay, though has also inhibited Sodam Yat and Kyle Rayner.
The White Lantern Power Battery contains the white light of creation.
The Phantom Stranger is a mysterious immortal being of immense supernatural powers who appears when disasters of cosmic proportions are imminent, and has helped saved the galaxy countless times.
Brainiac is a super computer that collects specimens from across the Universe. When it manifest it appears as a green-skinned humanoid creature.
Mandrakk is the "dark" version of the Monitor who seeks to use his vast powers to destroy the Earth and its guardian Superman.
Superboy Prime is a galactic villain more powerful than Superman, and one of the most dangerous villains in existence, being an enemy of all creation.
Mr Mxyzptlk is a mischievous being from the 5th dimension who wields futuristic science to control reality, which to the untrained eye is indistinguishable from magic.
Batmite isa 5th-dimensional imp who uses hyper advanced technology to make scenarios for his idol Batman.
Swamp Thing is a plant elemental and a protector of Earth who possesses immense, almost god-like power. He can control plants and can move via a spiritually-interconnected plant network called the Green.
The King of Tears is an ancient god from one of the subtle realms, who's bent on invading our universe on a mission of interdimensional conquest, using his agent Johnny Sorrow to bring about his agenda.
John Constantine is one of the most powerful magicians on the planet, and protects against all kinds of dark magic.
Superman is faster than a speeding bullet and the worlds most powerful superhero.
Yuga Khan is the most powerful of the New Gods who can drain the life force from people and planets.
Atom uses material from a white dwarf star to shrink down to sub-atomic sizes.
Vext is a god of bad luck from another galaxy.
Waverider is a being of pure quantum energy who travels across time.
Mogo is a living planet and a core member of the Green Lanterns.
Solaris is an artificial machine sun from the future, and one of the Universe's most destructive entities.
Leezle Pon is a sentient smallpox virus and a member of the Green Lantern Corps.
Ranx is a living city and a member of the Sinestro Corps.