It could be about a very hungry ghost's experiences, like its search for food or the reasons it is so hungry. Maybe it involves the ghost's encounters in the afterlife while being in a state of extreme hunger.
The key character is the very hungry caterpillar. It's the one that drives the whole story forward. And then there are the food items which can be considered as sort of secondary characters in a way. They are what the caterpillar interacts with. So, we have apples, pears, plums, strawberries and many other fruits and foods that the caterpillar eats throughout the story.
Well, the very hungry caterpillar animated story follows the journey of this caterpillar. It starts as a tiny creature and has a huge appetite. It munches on various items which is quite interesting for kids to see. This eating spree helps it in its transformation. Eventually, it encloses itself in a cocoon and emerges as a butterfly, which is a symbol of growth and change.
The main events are that the caterpillar hatches from an egg. Then it starts eating a lot of different things each day, like fruits. After that, it builds a cocoon and finally transforms into a beautiful butterfly.
The main character is the very hungry caterpillar. There are also some unmentioned characters like the ones who might have planted the fruits that the caterpillar ate.