Is Irish very complicated?
I've got a book of Flann O'Brien's old newspaper columns, and there's a whole section on the then-recently revived Irish language and literature (a substantial part of it is written in Irish); according to him, it's one of the most complex European tongues.
( The Mock TurtIe ™ --- Thinks you are a cunt, on, Mon 8 Jun 2009, 23:14, archived)