User blog comment:Andrew0218/Red vs Giygas. Monstrous Rap Battles/@comment-24229600-20150201163024/@comment-24229600-20150202175616

Hyde is a monster the same way as Hulk is called a monster in his universe, which is mindless, vicious, animal-instinct, as Matt just said.

Also, like Matt said, Knucles doesn't kill... at all.