The Blue Lantern Corps is one of the nine Lantern Corps that draw power from the Emotional Electromagnetic Spectrum. The original was the Green Lantern Corps, and the Blue Lanterns have been allies to the super-hero Green Lantern. Their power rings are charged by the emotion "hope," and they greatly increase the strength of any nearby Green Lanterns. Their home is the planet Odym and their representative entity is Adara. Ganthet and Sayd were their original leaders, and their greatest champion is Saint Walker. The Blue Lantern Corps was created by Geoff Johns and Ivan Reis, first appearing in Green Lantern (Volume 4) #25. (2008)

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