Fictional companions are characters created in literature, film, or other media that accompany a protagonist on their journey. These companions often provide support, comic relief, or wisdom, enhancing the main character's development and the overall narrative. Examples include Samwise Gamgee from The Lord of the Rings and Dr. John Watson from Sherlock Holmes. These companions can take various forms, such as humans, animals, or even fantastical beings. They often embody traits that complement or contrast with the main character, creating dynamic relationships that engage audiences. Notable fictional companions include Chewbacca from Star Wars and Pikachu from Pokémon.