Ok, I got some really bad news, there are bunch of Green Lanterns. You see, the Green Lanterns is an intergalactic peace keeping force, and over the years, Earths has had many- too many truthfully.
The Green Lantern power ring is fueled by the wearers will power. The ring can create any physical object as along as the wearer is thinking about it. Anything from a working spaceship, to a fist, to a x-ray machine, force shield, or even a semi-independent being. Everything they create is green and semi-translucent. When the ring runs low or out of power it can be recharged by touching the green lantern looking battery (hence the name Green Lantern) and reciting the GL oath, “In brightest day, in blackest night, no evil shall escape my sight. So let all those who worship evil's might, beware my power, Green Lantern's light”.
So click the name below of the the Green Lantern you'd like to know about. They are all cool in their way: