...um...I know I'll get screeched at for this, but that's subjective.
Not that I didn't prefer Sensei's, but still.
I see your point. I, too, prefer Sensei's, but the "best fit" can be anyone depending on who you ask. That was kinda the point of the poll.
And, yeah, I want to see the others, Sensei's especially, used for SOMETHING. I can live with Flannery Jr., though I don't expect her to upstage Tron and Roll. At least not on this side of the globe.
Inafune quits because his design ended last, and looked like Ruby Spears Roll.(or is it just me)
Inafune mentioned at Comic-Con that his design was extremely rough due to his lacking time, so hopefully he didn't take it too personally.
If anything, I would guess that he took it not as an offense but as a testament as to why his current position isn't good for creativity. If he truly lacks the time to do one proper character design for his "dream project", then I think I can understand his reasons for leaving.
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