I found this parody to be very funny:

http://youtube.com/watch?v=8Ckt-g4cDrU

This one is also funny but be careful there is one section in this parody that contains some possible NSFW content (I think thats what it is I'm new to posting...)

http://youtube.com/watch?v=MQX8ZIu85OU&feature=related

Both of these were made by MoogleBoss
(By the way, don't let the titles fool you).

I didn't find these particularly funny...

Btw, I found this while browsing - it's somewhat random, but there are some parts that are quite funny.

http://www.youtube.com/watch?v=Q23aSG_cKn4

Well, everyone is entitled to their own opinion.
Ah I forgot the crazy adventures of captain Basch! How did I miss that one, it was the first FFXII parody I've ever watched.

they are all very lame...

but i literally lmfao when i first saw this!

http://www.youtube.com/watch?v=slPkfVV3a4M&NR=1

i know it shouldnt really be in the ff12 forum but its a video response to previous comments