Mogo is a fictional comic book character, a superhero appearing in publications by the American publisher DC Comics. Mogo is a sentient planet, and as a member of the interplanetary police force known as the Green Lantern Corps, appearing as a supporting character in storylines featuring that group, specifically the Green Lantern franchise. Created by writer Alan Moore and writer Dave Gibbons, Mogo first appeared in Green Lantern #188 in a story titled "Mogo Doesn't Socialize".

The Green Lantern Corps is a fictional intergalactic law enforcement agency and superhero team appearing in comics published by DC Comics. They patrol the farthest reaches of the DC Universe at the behest of the Guardians, a race of immortals residing on the planet Oa. According to DC continuity, the Green Lantern Corps have been in existence for three billion years. Currently operating amongst the 3600 "sectors" of the universe, there are 7204 members. Each Green Lantern is given a power ring, a weapon granting the use of incredible abilities that are directed by the wearer's own willpower.