A good Super Sonic
A good Super Shadow
The Rowdyruff Boys
Mint Blancmanche
Mojo Jojo
A good Starfire from the animated series
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*On A Side Note*
Not really someone that I'd like to see that doesn't exist...
I'd like to see someone update KenshinHimura's Blossom D and Bubbles D chars, compared to Buttercup they just feel empty. And their flying modes are quite buggy.