Anji is neat, and I really hope someone figures out something cool with him.
My disappointment has been with I-No, who I've spent this week with. She has her mix, yes, and her supers are both crazy good... but her dash is just so slow for what you'd use a dash for (it's fine for its mixup function), and her stuff is just so incredibly specific (you need to delay Chemical Love by a few frames manually here, you need to microwalk forwards to connect this, dash jS won't connect to anything if you didn't dash for exactly 0.36 seconds from this distance) for not really getting that much of a reward from it. And then there's stuff like dK dD having a gap in it that a dragon punch goes through... She is fine, it's just that a lot of that rests on her supers, which feels like a band-aid.