Journey to the West, Is It an Immortal, a Buddha or a Demon?

The water in the small river suddenly exploded, and a fat man with a pig's head rose into the sky, holding a nine-tooth nail rake in his hand and shouted: "You are a fake monk, how dare you frame your grandpa pig, let's see if my old pig doesn't beat you into a pig's head. When the time comes to discipline you, your own mother will recognize you." … Erdan said: "The strange thing is still behind. After the big tabby cat left, I waited for you at the entrance of the village. But you didn't come, but a big black dog came. This big black dog looked like it had traveled a long way. It smelled of travel dust and was very dirty. It probably hadn't been bathed in several years. But the strange thing is, even if you look at him, He looked like a bear and looked at me with disdain. What did I think? Do you still want to bite me? So I got ready for a duel with the big black dog. As a result, the big black dog looked at me for a full minute, then barked arrogantly and walked into the village. Do you think this is strange? "