English humor

— Hello, are you there?
— Yes, who are you please?
— I'm Watt.
— What's your name?
— Watt's my name.
— Yes, what's your name?
— My name is John Watt.
— John what?
— Yes, are you Jones?
— No I'm Knott.
— Will you tell me your name then?
— Will Knott.
— Why not?
— My name is Knott.
— Not what?
— Not Watt, Knott.
— What?