What is the rhino in james and the giant peach?

The rhinoceros in "James and the Giant Peach" is a mechanical rhino, created and owned by James' cruel and abusive Aunt Sponge and Aunt Spiker. The rhino is described as being large and menacing, with glowing eyes and sharp teeth. It is used by the aunts to scare and intimidate James into doing their bidding. However, when James climbs into the giant peach and escapes on a magical adventure, the rhino becomes one of the creatures that tries to stop James and his insect friends from reaching their destination. In the end, the rhino is defeated by James and the other creatures, and James is able to regain control of his life and happiness.