John Herbert is an elderly pedohebephile who lives on Spooner Street in Quahog with his old, crippled dog, Jesse. He has a high-pitched, very soft, effeminate voice and with a slight whistle lisp. He is often seen wearing a light blue robe and slippers and uses a zimmer-frame walker to get around. He is a retired United States Army veteran.
When Cleveland talks about how much better Lloyd Waterman's Christmas party is than Herbert's in "A Cleveland Brown Christmas", a scene is shown with Herbert singing Silent Night to Cleveland and some children.