CL with CLOS was, interestingly, the first object-oriented language to become an American National Standard. Common Lisp is a big language, though probably not as big as C++ (and the bigness is mostly in what C programmers would call ``the library'').

C progammers will probably find CL's compilation support to be byzantine, what with all the eval-when, etc. Then again, I think C programmers would find any system that supported both interpretation and compilation in a sane way to be at least bizarre, if not complex. I suppose it all depends on where you come from.

Common Lisp doesn't have call/cc, but we forgive it.