DCUniverse sucks so I wouldn't know what each colour represents even if I do know the point and/or significance of it all. Stupid DCU.

Don't know 1 or 2 characters their, the anime/manga ones.

This all said by a Marvel fanboy.

EDIT: Superman means what? don't make me laugh, he's not like that at all.

Dude, Superman is hope personified.

Level 5, no real problems, though I have to admit I thought that the choice for Blue was unintuitive. Then again, it's also true that Yellow and Blue are less about you yourself, and more about what you inspire in others.

That said, a few notes (characters are named by color so as to prevent spoilage):

Nicely-done on the red, though you may want to change the direction of the plasma-puke; it doesn't show up very well.
OMFG Orange. That's friggin BRILLIANT.
You do realize that Yellow is essentially wielding the Schwarz, if his ring-construct is any indication?
The emblems coming out of Green's sword should be upright, rather than oriented with the sword. As they are, they look almost exactly like Red's emblem.
Blue's emblem should stretch and distort to cover the whole shape. All of the colors do this when appropriate.
Indigo shouldn't have his sword. Yes, I know what the sword means to the character, but the Indigo Tribe don't keep possessions, and the sword qualifies.
Violet should be wearing a lot less. The Star Sapphires as a whole don't seem to be happy about how skimpy their uniforms are, but even those who wear the skimpiest things in "normal" life find themselves wearing even less when in uniform. Whoever designed their uniforms evidently took quite a broad view of what they represent, all puns intended.

I'm not sure of the three on the right? any help please

Naz will verify I was the first unassisted Level 5.

I believe that means I've leveled up my own nerdiness.

This is the most epic pic ever. EVER!

It would have made more sense to if using a comic character to put Cap A in the role. Superman is too shady and underhanded to be trusted as 'hope'

Captain America abuses steroids and died too many times when situations were hopeless.  The only one worthy of the color is Hope from Final Fantasy 13.

I'm nerd level 1 ,but, cool drawing though.

He is called Captain AMERICA for a reason!

Yeah Level 1.

The only ones I recognize are Link and Gollum but I have no idea why they are dressed like that and who they represent.