I apologize for this one in advance @tdseest.

@Donna
my 8 year olds tell this one at least weekly and then giggle for what feels like an hour. They enjoyed your pic 
I get hit with this one all the time. My boss says weekly my bonus is. Asked on all of Alan, not half an Alan.
Knock knock
Who’s there
Your pancreas
Your pancreas who
Knock knock
Who’s there
Your pancreas
Your pancreas who
Knock knock
Who’s there
Your pancreas
Your pancreas who
WHY WON’T YOU WORK!!!