Also, to the anon who asked what I think Karn sounds like, I finally found it again. Preparing for tomorrow I was rewatching some classic Ippo fighting, as one does, and I found the voice I hear in my head. Mainly when Karn’s raging and roaring, it sounds like these roars, from :13 to :24.
https://youtube.com/watch?v=NfP5UJA8VYY