Honestly, I never understood the hate for Bob by comparison to his counterparts. Bob's worst crimes are being fat and defying gravity while doing so. He's not a slob and he's not obnoxious. He takes himself seriously, which, despite everything else, allows players to take him seriously to some degree as well.
I guess he had some silly food-based customizations, like the hamburger on his head, or the giant utensils, chef's hat. And then there's was all the stuff with the stars and stripes in Tekken 6 (SUBTLE), but all of those things are fairly minor.
Then again, I don't actually dislike Bob. Then again, I don't really watch tournaments either.