Pada tahun 1937, Schulz menggambar Spike dan mengirimkannya ke Ripley's Believe It or Not! ; gambarnya muncul di panel sindikasi Robert Ripley, diberi judul, "Anjing pemburu yang makan pin, paku payung, dan pisau cukur dimiliki oleh C. F. Schulz, St. Paul, Minn." dan "Ditarik oleh 'Sparky'" (C.F. adalah ayahnya, Carl Fred Schulz).
In 1937, Schulz drew a picture of Spike and sent it to Ripley's Believe It or Not!; his drawing appeared in Robert Ripley's syndicated panel, captioned, "A hunting dog that eats pins, tacks, and razor blades is owned by C. F. Schulz, St. Paul, Minn." and "Drawn by 'Sparky'" (C.F. was his father, Carl Fred Schulz).WikiMatrix WikiMatrix