Charles Paul "Chuck" Eisenmann, born on January 4, 1929, was an American animal trainer and owner best known for his work with London the Dog, the iconic canine star of the television series "The Littlest Hobo." Chuck's journey into animal training began in the 1950s, where his passion for working with animals, particularly dogs, became evident. Eisenmann's breakthrough came with his involvement in "The Littlest Hobo," a show that followed the adventures of London, a wanderer with a knack for helping people in need. Chuck's exceptional skills as a trainer were key to London's ability to perform a variety of tasks and stunts, showcasing the duo's close bond. Under Eisenmann's guidance, London became a beloved character, embodying loyalty, intelligence, and compassion. Beyond his work with London, Chuck Eisenmann contributed significantly to the field of animal training, and his expertise was sought after in the entertainment industry. His legacy extends beyond television, leaving an indelible mark on the hearts of audiences who fondly remember London the Dog and the remarkable partnership forged by Chuck's dedication to the art of animal training. Charles Paul "Chuck" Eisenmann passed away on September 10, 2010, but his impact on the world of animal entertainment remains a testament to his lifelong commitment and passion for his four-legged companions.