with the little knowledge I have of sonic it looks good to me. Besides if you play it anything like hazmat I'm sure you'll do great with it 
Wow! Praise! Thanks
I play Haz-Mat to be irritating with the terror cone. It's not that hard to do, hehehe.
IN MEMORIUM OF GAYBABY
CRUELY TAKEN FROM THIS WORLD WHILE SO YOUNG
Maybe not but you have a good understanding of protecting and staying with your team mates when I played my corrupter Dearch
Ah yes! I remember that. The problem with villains is that many of the random stalkers in villain team just run off and solo. Just the 2 of us would do pretty well by not doing that
IN MEMORIUM OF GAYBABY
CRUELY TAKEN FROM THIS WORLD WHILE SO YOUNG
[ QUOTE ]
[...] Also, with the self mez protection from sonic dispersion this a perfect character to take the leadership toggles. [...]
[/ QUOTE ]
You can still be instantaneously slept, and when that happens... all those Leadership toggles go down 
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Nice build.
But you may have to add some endrdx into some powers because sonic/sonic is an end heavy set, especially if you take the leadership pool. ( thank to sonic dispersion )
Pharmacienne lvl 50, def dark/rad
Congelateur lvl 50, contro froid/rad
Pharmachienne lvl 50, corrupteur glace/sonique
(St) Ubber lvl 4X, contro illu/temp�te
SG El Ereb - Vigilance
Every corruptor I've played has been really heavy on the end. Maybe it's just in the way I play
IN MEMORIUM OF GAYBABY
CRUELY TAKEN FROM THIS WORLD WHILE SO YOUNG
Here we go! /Sonic is a real asset to villains, with the excellent clarity later in the set which is perfect for warburg. Also, with the self mez protection from sonic dispersion this a perfect character to take the leadership toggles. The primary has a couple of great attacks but it's certainly nothing special. Screech should be great for annoying squishies with it's stun. Shout is a nice fast animating attack with fast DoT, which means it gets a better chance for some scourge, and also benefits from it's own resistance debuff.
Take a look, pick it apart.
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Exported from Ver: 1.7.6.0 of the CoH_CoV Character Builder - (http://sherksilver.coldfront.net/index.php)
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Name: Discordant
Level: 41
Archetype: Corruptor
Primary: Sonic Blast
Secondary: Sonic Resonance
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01) --> Shriek==> Acc(1) Acc(3) Dmg(23) Dmg(25) Dmg(33) EndRdx(39)
01) --> Sonic Siphon==> Acc(1) Acc(3)
02) --> Sonic Barrier==> DmgRes(2) DmgRes(5) DmgRes(5) Range(36)
04) --> Sonic Haven==> DmgRes(4) DmgRes(7) DmgRes(7) Range(34)
06) --> Scream==> Acc(6) Acc(9) Dmg(9) Dmg(11) Dmg(11) Rechg(37)
08) --> Shout==> Acc(8) Acc(17) Dmg(19) Dmg(19) Dmg(25)
10) --> Sonic Cage==> Acc(10) Acc(13) Acc(13) Rechg(15) Rechg(15) Rechg(17)
12) --> Combat Jumping==> Jump(12)
14) --> Super Jump==> Jump(14)
16) --> Swift==> Run(16)
18) --> Hurdle==> Jump(18)
20) --> Stamina==> EndMod(20) EndMod(21) EndMod(21)
22) --> Sonic Dispersion==> EndRdx(22) EndRdx(23) DmgRes(40) DmgRes(40) DmgRes(40)
24) --> Acrobatics==> EndRdx(24)
26) --> Amplify==> Rechg(26) Rechg(27) Rechg(27)
28) --> Screech==> Acc(28) Acc(29) DisDur(29) DisDur(31) DisDur(31) Rechg(31)
30) --> Assault==> EndRdx(30) EndRdx(37)
32) --> Tactics==> EndRdx(32) EndRdx(33) TH_Buf(33) TH_Buf(34) TH_Buf(34)
35) --> Clarity==> Range(35) Range(36) Rechg(36) Rechg(37)
38) --> Vengeance==> DefBuf(38) DefBuf(39) DefBuf(39)
---------------------------------------------
01) --> Sprint==> Empty(1)
01) --> Brawl==> Empty(1)
01) --> Scourge==> Empty(1)
02) --> Rest==> Empty(2)
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IN MEMORIUM OF GAYBABY
CRUELY TAKEN FROM THIS WORLD WHILE SO YOUNG