Mr. Putter is a fictional character from the children's book series created by Cynthia Rylant. He is an elderly man who enjoys a quiet life filled with simple pleasures, such as gardening and reading. Mr. Putter is often accompanied by his pet cat, Tabby, who adds a playful element to his daily adventures. The stories of Mr. Putter highlight themes of friendship, kindness, and the joys of aging. Each book features lighthearted situations that resonate with young readers, making them relatable and enjoyable. The series is well-loved for its charming illustrations and gentle humor.