At first they seemed very mysterious, because they were always wearing a mask and cloak in headspace. And without that they're really just adorable. That makes them the only gatekeeper in headspace that isn't actually intimidating.

Also they have 6 other versions of themselves that are just them but different colours of a six striped rainbow. Regular Kra doesn't have any colour. And in headspace they can switch between 7 bodies and one body very quickly. They also kind of look like a crow, but way more humanoid.