Originally Posted by ixtab
You might be able to "rename" them by modifying the constants pool of the class file, and correctly "linking" the variables there. If you're lucky, there is some deobfuscator out there which can do that, but I don't remember seeing one. If you do find one, then I'm very interested in it, because yes, it's a PITA to read such code.
Some work in this field was posted
earlier in this thread.