Saint Walker is a DC Comics superhero and a member of the Blue Lantern Corps who first appeared in Green Lantern (vol. 4) #25 (December 2007).
Bro'Dee Walker was a priest on his home planet of Astoria. However, when Astoria's sun began to die out, Walker calmed his people and told them not to give up on hope in the face of possible extinction. Because he was able to instill hope to his people, he was chosen as a member of the Blue Lantern Corps and was given a Blue Lantern Ring. With his new Power Ring, he was able to give Astoria's sun more power, saving his home planet. He and the other Blue Lanterns were introduced during the Final Crisis event where Saint Walker helped heal a critically injured Hal Jordan from his wounds.