Hey....Green Lantern wears a powerful ring!!! Okay, my other tack...
This one's goofy. It's based on Guy Gardner as the Green Lantern...
Big Shield Gardna (get it?)
Mid Shield Gardna
Cyber Shadow Gardna
**I don't know, I thought the whole Mood Ring trail was kinda' clever, if I do say so myself. I know Dave must've had one way back in the 70s, college wasn't it?**
Dark Effigy
Light Effigy
Your clue looks a lot like "The quick brown fox jumps over the lazy dog", which is an example of a sentence using every letter in the alphabet.
The yellow is probably meaningless here.