Talk:Epic Rap Battles of History 52/@comment-24310515-20150410020611/@comment-1652808-20150410022026

and I personally think that Shaka vs Horse isn't a popular enough suggestion for it to be likely, unlike Bach vs Tupac or Hendrix vs Cobain (even though Hendrix vs Cobain isn't exactly 'histoical' in the sense that he might be using it in)

I mean, it's also completely possible that Peter was just using a pun of ERB in general.