Jean-Martin Charcot, one of the most brilliant neurologists in history, was a man of few words and few gestures. He had an impenetrable and unmovable face and was described as being austere, reserved, and shy. In contrast, in his personal life, he was a softhearted man who loved animals – especially dogs. In this historical note, we sought to look into the past and learn more about Dr. Charcot's personal life – which was robustly impacted by his passion for dogs.