In The Neverending Story, the main character is Atreyu, not really an 'emperor' figure in a traditional sense. However, if we consider the Childlike Empress who rules over Fantasia. She is a very important figure in the story. She is ill and her recovery is central to the plot as Atreyu embarks on a quest to save her and Fantasia.
Well, it's hard to say for sure. There could be names like 'The Endless Adventure' or 'The Perpetual Storyline'. Different authors or works might give it various names to convey the idea of never-endingness.
The Childlike Empress, the 'emperor - like' figure in The Neverending Story, is vital. Her role is central as she is the one in charge of Fantasia. Her illness is the catalyst for the entire plot. It shows that she is the source of life and stability in Fantasia. The story emphasizes that if she is lost, everything in Fantasia will be lost too. She also symbolizes the beauty and magic that exists within Fantasia.
The name of a horse in 'The Neverending Story' might be a symbol. It could symbolize a certain concept or value in the story's world. For instance, a horse named 'Hope' could be a source of inspiration for the characters. Or it could be a way to connect with the magical elements of the story. A name like 'Starlight' might suggest a connection to the otherworldly or celestial aspects of the Neverending Story.