[Note: I had to do this for CS 3500. It's not worth keeping, but I never throw things away.]
I've implemented a fish-based rating system for my skills. Five fish means I do this exceptionally well. Three fish means I'm average. One fish means I do it poorly. I leave it to the reader to determine what 2 and 4 fish mean.
C++ 
Java 
Web design
Linux/Unix 
Windows 
LaTeX
Perl
Public speaking 
Audio editing
Networking
Breathing
Graphic design
Maintenance of the M-16 assault rifle
Anarchy
Starcraft
Animal husbandry
