Mr. Knott and Mr. Watt

Mr.Knott is a lecturer at a university. One day, he was very tired and went home with the aches in all of his body. When he arrived home, his phone rang and he picked it up right away.
Hallo, who’s there?
Watt
What is your name?
Watt
I asked!! What’s your name?!!
Watt is my name. Are you john?
No, I knott
Could you tell your name?
Will Knott

Both men are hung up and talking “What a rude man!”