Little Known Facts and Origins
The Emotional Spectrum
The Butcher - The Entity of Rage, is a giant Red Bull.
Ophidian - The Tempter, is a giant Orange Snake.
Parallax - Entity Of Fear, he is known to take over people as Vessels. He has used Hal Jordan, the main Green Lantern, multiple times. He appears as a giant monster.
Ion - Embodiment of WillPower, he is the Entity of the Green Lantern Corps. He looks like a giant green alien whale.
Adara - Hope Entity, is a giant Blue Falcon.
Proselyte - Entity of Compassion, is a giant purple Octopus thing.
Predator - Body Of Love, is a giant pink velociraptor/or if you have seen Alien vs. Predator, it is a mixture of both.
Nekron - The Ruler of Death and destruction, is a giant grim reaper/ zombie.
The Entity - The Embodiment of all life in the universe, is like a giant, glowing white alien angel.
The Lanterns Homeplanets
Oa - Green Lanterns
Ysmault - Red Lantern Corps
Qward - Yellow Lanterns
Nok - Indigo Lanterns
Odym - Blue Lanterns
Zamaron - Star Sapphires
Xanshi - Black Lanterns
Okaara - Orange Lanterns
The White Lanterns Planet is well, they don't have one. They guard the universe.
Mogo - Mogo is a living planet that is literally a green lantern. Cool right?