Hell if I know.
Oh don't worry, they'll tell you.
Cleaver! EDIT: Also Sharp, knew about this one but I like Cleaver better.
Trigger-Nometry
I don't know, but it sure can wash a lot of dishes.
The Nobel Prize in Genetics.
ell if I know.
Well hell-if-i-know!
The naval officer is trying to feed bread to the helicopters!