Grumpy Old Geeks People Paul Kunkel Person Paul Kunkel 2 mentions in 1 episode The author of a book about toilet training cats discussed in a listener message. Mentions 697: Office of Defects May 16, 2025 1:03:33 How to Toilet Train Your Cat, 21 Days to a Litter-Free Home 1:05:04 Paul Kunkel, who toilet trained his first cat while in college