What are all of the possible ranks in order?

Not entirely 100 percent on this, but I believe it's
White, Yellow, Orange, Green, Blue, Brown, Black, Black (2nd Dan - 10th Dan) Master Belt, God Belt, and then Custom Belt.

custom is before god. Duh

thanks guys

http://forum.toribash.com/showthread.php?t=105823

List of belts in that guide:

*0 - 19 Fights - White
*20 - 49 Fights - Yellow
*50 - 99 Fights - Orange
*100 - 199 Fights - Green
*200 - 499 Fights - Blue
*500 - 999 Fights - Brown
*1000 - 1999 Fights - Black
*2000 - 2999 Fights - 2nd Dan Black
*3000 - 3999 Fights - 3rd Dan Black
*4000 - 4999 Fights - 4th Dan Black
*5000 - 5999 Fights - 5th Dan Black
*6000 - 6999 Fights - 6th Dan Black
*7000 - 7999 Fights - 7th Dan Black
*8000 - 8999 Fights - 8th Dan Black
*9000 - 9999 Fights - 9th Dan Black
*10000 - 14999 Fights - 10th Dan Black
*15000 - 19999 Fights - Master
*20000 - 49999 Fights - Custom
*50000 - 99999 Fights - God
*100000 - 999999 Fights - One
*1000000+ Fights - Elite

Remember that you can always google your question before you ask it. Most likely situation is that someone has already asked your question. ;)