Apparantly, It is omgwhat2

Utilized a gsi method which is used for finding a members gaia messenger email address then went, Popped in the number 1 for the user ID instead of a normal user...And it said.

[["9007",true,{"1":{"im_name":"omgwhat2@gaiaonline.c om","user_id":"1","username":"omgwhat2"}}]]

Code:
http://www.gaiaonline.com/chat/gsi/index.php?v=json&m=[[9007,[%221%22]]]
So. Hm, very intresting. *Force adds the person, breaking gaiaonline*

and yeah...Searching the profile brings you to /x/1/

http://gaiaonline.com/p/omgwhat2