What language are the adrenalini brothers?

It seems you're asking about the Adrenaline Brothers. This is a fictional group, and there's no official information about their nationality or spoken language. They could be from anywhere, and their language would depend on the specific story or media where they appear.

To get more specific, please provide more context:

* What media are you referring to? (e.g., a book, a movie, a video game)

* What story is the Adrenaline Brothers in?

* What is the setting of their story?

With more information, I can help you determine their nationality and language.