but

That/this is Nico.

German teacher (male)

German teacher (female)

you (informal)

You are Emma.

to be called; to be named

I

I am ...

My name is Nico.

now

Or not?; Isn't that right?

gone

who

Who are you? (informal)

Who are you? (formal)

What is your name? (formal)

What is your name? (informal)