What devilishly delitefully mean sarcastic thing would Mandy(Billy and Mandy) say to the following celebrities

Question

this is just a humor question no direspecting it
pick a celeb and what Mandy would say to them.And no defending any of the mentioned celebrities thats not an answer

Simon Cowell
Tom Cruise
Carrie Underwood
Katie Couric
Osama Bin Laden
Charlize Theron
Dan Rather
Daniel Craig
Larry The Cable Guy
David Letterman
Oprah
Dr Phil
Reese Witherspoon
Paula Abdul
Jared Fogel
Pam Anderson
Tea Leoni
Donovan McNabb
David Blaine
The Mythbusters Guys
Jeff Corwin
Nick Lachey
Fergie
Barry Manilow
Elton John
Other you name.

Answer 1

"Hey, Simon Cowell, the devil called. He was wondering if you could fill in for him on Monday. He has a dentist appointment!"