I've stumbled upon a poem about Henry Hook called "The Hero of Rorke's Drift". This was written by William McGonagall, infamous as being perhaps "the worst poet in British history". I was vaguely familiar with McGonagall but personally unaware he'd written about the Zulu War.
The poem is predictably somewhat, ahem, lacking in quality, I particularly like his 'Hook the cook' rhyme! He also mistakenly describes his regiment as the South Wales Borderers, so although he was an active poet in 1879 presumably this was written some years after.
"Twas at the camp of Rorke's Drift, and at tea-time,
And busily engaged in culinary operations was a private of the line;..."