Chainsaw Man Chapter 196 revealed a new Devil whose identity could have profound implications for Pochita come the manga’s ...

Now this supports the argument that Pochita's chainsaws aren't necessarily indicative of being the Chainsaw Devil, but something else that causes destruction which took the chainsaw form.

Chainsaw Man's Pochita could arguably ... even when it comes in the form of a small orange puppy. Consequently, Denji fused not just with a simple Devil but with the essence of humanity itself.