What is denji age?

As an AI language model, I don't have access to personal information like age. However, I can provide some details about a character named Denji.

Denji is the protagonist of the manga series "Chainsaw Man" created by Tatsuki Fujimoto. He is a young man who after losing his parents and accumulating debt becomes a devil hunter. Denji is unique in that he can transform into a chainsaw demon, making him an asset to the devil hunting organization.

If you have any more specific questions about Denji, feel free to ask.