Need advice on concepts for my project: Elemental ninjas

I got this idea a while ago, but with new melee powersets coming out, need to re-roll some of them.
I want some kind of sentai team with ninjas, each one with a element and colour.

Fire ninja: My main, all rare Incarnate, MA/FA scrapper. Blaze mastery, Pyronic judgment and all... No idea about what Lore I could build.

Water ninja: Staff/?? scrapper. I want her to wear a bo or trident, but need to wait for staff fighting, and she will have leviathan mastery for hibernate and water spout.

Wind ninja: Not sure here. Maybe Kinetic or StJ, with shield. I like the idea of shield charge for Wind ninja.

Earth ninja: Titan weapons. Not sure of secondary because I hate FX for stone melee, but maybe Invul. Will be brute I think.

Electric ninja: Got this one too. She is Elec/Nin with Ionic judgment. Love her.

Shadow ninja: Leveled my WS to 50 to give it a try as this. Not totally sure.
Maybe I should get StJ/something less ugly than dark armor.
And Soul mastery, Gloom its awesome for brutes.

Light ninja: PB? Got a PB at 50 and no idea what to do with him.
Or maybe StJ/Energy armor brute or scrapper.

Ice ninja: Not even sure if I can find a concept, but I though DB/WP scrapper using Organic blades can work for it. Also, hibernate for Patron power pool.

Any ideas, suggestions or advices, guys?
I also want effective combos. I love my MA/FA scrapper but I gotta admit is a weird combo with poor sinergies.
Thanks in advance.

For Wind ninja I would think KM/EA or KM/Ninjistu would be a better fit than KM/Shield. Just color both sets some shade of blue/white and it looks like you have swirling air shielding you and are focusing air blasts as an attack. If you want a shield charge like effect, you could pick up spring attack - huge leaps are definitely an air type power. Either a scrapper or a stalker would work for this - stalker KM is a very nice set because the PBAoE has 100% crit chance from hide and the build up auto recharge from concentrated strike is easy to get. The KM version of AS looks really awesome - I have a wind based ninja using KM/Ninjistu, but EA is a bit more thematic.

You could also do EA for shadow ninja if you don't want to do dark armor, since it has a stealth power, just color the shields dark. Alternatively you could play it as a dark melee stalker - dark melee/ninjitsu is a very nice pairing. You could pretty much go any stalker secondary here that wasn't obviously some other element - DM/WP, DM/Regen or DM/SR would all work.

The only thing I could think of for a melee based light ninja is going energy melee on a brute or stalker and coloring it white. If you are willing to leave melee AT's behind on this do it as mind/energy assault dom - color all the attacks white and explain the control set as ninja mind tricks.

Ice ninja: Stalkers get ice armor now, so if you are dead set on an ice ninja you could go with that. Pretty much any primary that wasn't another element would work here. You could also do an icy assault dom or ice manipulation blaster and get some nice ice melee attacks.

For water ea or sr for the flows like water cconcept. Or regen kinda off a u cant hurt water idea

I made an elemental brute a few months back that took the four main elements in one character. Kinetic Melee is good for representing wind. Hover and fly are a nice help too. It also helps with water since it seems to "flow"

Dark Armor colored blue could be used for the Water Ninja.

Oh, I see you think Dark Armor is "ugly". Well, maybe a different color on it will make the difference and you can use it on Water instead of Shadow.

You've been watching this again. Haven't you?

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For wind, consider Nin/Storm MM. I have one, it is very effective and fun. Doesn't get much more ninjaie (it's a word, I swear!) or windy than that.