Studio Pets by Myrna Huijing showcases Myrna’s love for animals through cute photographs of animals. Looking at this Jack Russell calendar, one is immediately drawn to the happy, bold, and energetic disposition these dogs' warm hearts bring to every image. Exuberant, alert, and confident, the Jack Russell Terrier is a great companion. It was named for the Reverend John Russell, whose terriers were used to hunt foxes. Jack Russells are independent, but also very affectionate.