Who is the Father? (Joke)

Akpos wife is pregnant and the following conversation ensued between her and husband:

Akpos Wife: Darling, guess what?
Akpos: What?

Akpos Wife: I went for the scan today and the scan revealed that I’m pregnant with a set of twins.
Akpos: Really? Two babies?

Akpos Wife: (Excited) Yes!
Akpos: So who is the father of the second child?

one word for Akpos?