change q-auth

[nhA]

i get vouched as IRC name:nhA
Q-Auth:nhA
Garena name:nha.nha.nha

bot register name = nhA

but coz of some problem... i want to change my irc name and q-auth as following : IRC name:Isis
Q-Auth:myo
Garena name:nha.nha.nha

bot register name = nhA

proof for vouch http://www.mymgn.com/board/showthread.php?t=19248