Maybe it's part of the story's plot twist or to create a dramatic effect.
Maybe it's part of the story to create drama or evoke certain emotions. Sometimes a character's death can drive the plot forward.
Maybe it's part of the plot to create a tragic or emotional impact. Sometimes, characters' deaths drive the story forward or teach important lessons.
Maybe it's part of the story's plot to create some drama or a turning point.
Well, it could be that the act of drawing the cartoon triggered some underlying health issue or exposed the person to a dangerous situation that led to their death. But it's hard to say for sure without more details.
Maybe it's part of the story to evoke certain emotions or teach a lesson.
It could be for various reasons, like telling a deep or meaningful story.
Old Major dies because of old age and his weakened condition. It's a natural part of the story's progression.
Maybe it's part of the story's drama and tension to keep viewers engaged.
Maybe it's because it's so cute and charming that someone couldn't resist giving it a kiss.
It could be due to poor hygiene or maybe some kind of contamination in the cartoon setting. But such a topic is quite odd and not very common in normal cartoons.