Episode #0106

[It's up to the first poster to come up with a set up, and then each following post will either complete it or fill in the blank(s). And, as always, whoever posts the set up is certainly allowed to post their own completion/fill in as a follow up.]

Set-up:
GP: "This pen is the key to this entire case!   
There is nothing in the world more important than this pen!!!   We're hoping we can get it to talk!!"
CS: "You're ________, aren't you?"

Dumber than a box of hair