hmm...let's see...
Lost Skeleton Of Cadavra
Plan 9 From Outer Space (although it's not meant to be a comedy
)
Sex Is Zero (asian version of American Pie...it was funny as hell...and i goddamn hate American Pie!!!!)
Top Secret
Airplane!
Dr. Strangelove
The Rocky Horror Picture Show
Jesus Christ Vampire hunter (it's so cheesy
)
and so on...