Toto is a fictional dog character from the classic novel "The Wonderful Wizard of Oz," written by L. Frank Baum. In the story, Toto is a small, black terrier who belongs to the main character, Dorothy. He accompanies her on her journey through the magical land of Oz, providing companionship and loyalty. Toto plays a significant role in the narrative, often helping to highlight the emotions and challenges faced by Dorothy. The character has become iconic in popular culture, appearing in various adaptations, including the famous 1939 film starring Judy Garland as Dorothy and the Wizard of Oz.