The inspiration for this custom came from the same classic costume version that appears in the Marvel Heroes game.

The parts that I used are listed below:

Head = Casting Cave (thanks Corey!)
Arms & Left Hand = DCUC Green Lantern Alan Scott
Right Hand = DCUC Green Lantern
Torso = DCUC Reverse Flash
Belt = ML Ghost Rider
Pelvis & Upper Legs = DCUC Ultraman (from the B4E3 2-pack)
Lower Legs = DCUC Dr. Mid-nite
Feet = DCUC Dr. Fate

Thanks for looking! Your critique is appreciated!