Responses

There's also:
Hi, this is Bob
Bob says hi
This is Bob when the car goes by.
It's a rhyme that was popular where you would have letters drawn on your fingers to spell out the entire rhyme and have a bloody mess drawn on your other palm when you reached the "when the car goes by part."
And Bob the Builder, a cartoon.
And in general, Bob is a goofy name in America that's funny in jokes and stuff.
But when they call them BOB, I just start laughing, it's so hilarious