Softnyx: Available during the 2007 Gunbound Birthday Event.  From August 16th - August 30th you could get this avatar by collecting alphabet letters in game, when you collected a certain phase you were able to claim your price on the Softnyx website.

ijji:  Available during the 2007 Gunbound Birthday and Fall Sales Event.  From September 28th - October 12th you buy this from the special web shop on the ijji site.  The price was 30 G Coin.

Softnyx:  Available for a limited time from December 9th, 2008 - January 6th, 2009, during the 2008 Gunbound Christmas Event. (***Also known as the: "Hey guys lets sell almost every single rare avatar for cash event!!".)  This item(s) could be purchased for 2,000 cash in the Gunbound Avatar Shop.