Possible Clues:

• Very large thick-skinned animal
• In cramped condition heartless Henry is an insensitive type
• Elephant, perhaps, destroyed camp with an unknown herd
• Rhino or hippo, say?
• Hippo, say?
• Thick-skinned beast, Mr Hyde on rampage after cover-up
• Large hoofed animal with a very thick skin
• Insensitive person vacantly read my cheap novel
• Elephant maybe taking short step before my herd goes berserk
• Thick-skinned type, my padre, crazy about church