[Technically, the colour is still caused by pigmentation whereas white/gray hair colour is the absence of any. So, yeah, there. It's a very nice comparison, though, assuming Kanda does have a soul of some sort.]

[More snorting and are-you-fucking-stupid look.]

Cat weapon. Might not work so well on someone not covered in yarn and catnip.

[Whoa. Whoa, kung fu cat. Turns swiftly like grandfather's clock to block the kitten's flying trajectory with the sole of his boot. Chill the fuck out, mammal.]