Green Lantern Corps.

The Green Lantern Corps. are a police force comprised of Green Lanterns, meant to protect, serve and solve crimes across the universe.

History
The Green Lantern Corps. were founded by the Guardians of the Universe as a peace-keeping police force. Some time after this, Hal Jordan was chosen as one of their members, giving him a power ring.

Starro Siege (2020)
Hal Jordan alerted the Green Lantern Corps. and the Guardians of the Universe when an alien invader attacked Sector 2814, namely Earth.

Known members

 * Hal Jordan (protecting Sector 2814)

Season 1

 * Starro Attacks!

Behind the scenes

 * In the comics, the Green Lantern Corps are an intergalactic peacekeeping force created by the Guardians of the Universe, comprised of members from many planets and species. They debuted in Showcase #22 in 1959.