An is a name? Because when the speaker says it, it sounds like he is saying Brother, or Anh which could also be used to refer to himself if he is older than you.
Totally agree. The name should be changed to something completely different to avoid confusion... like "Nguyen"... or "Becky".
So, how would you translate An eats one chicken (a whole one, all by herself?
"một" can be translated to "a" in English, but it literally means the number one. "An eats one chicken" should be correct
Just to check - definite and indeifnite articles here. How would a definite article look?