Joke

Hello, are you there? Yes, who are you? My name is Watt. What’s your name? Watt’s my name. Yes, what is your name? My name is John Watt. John What? Yes, are you Jones? No, I’m Knott. Will you tell me your name? Will Knott. Why not? My name is Knott. Not what? Not Watt, Knott! *hangs up*