Add "Crystal Reports" and "MUMPS" to the "do not put on resume" list.
And RPG/400. I took two semesters of that in college, but (thankfully) never got roped into programming in it professionally. I'm honestly not sure you could pay me enough to write RPG code, even if you were Bill Gates. Just thinking about using SEU (Source Entry Utility, IIRC) to program in that column oriented nightmare gives me the heebie-jeebies.