Something lame.

'Alex' = Mong Jie Jie = MJJ
Aaron(Alex's older brother) = Akk(Aaron korkor)
Nigel(Alex's younger brother) = -
Dexter = Auntie Dex Dex = ADD
Me = Auntie Yi Yi = AYY


But with some slight changes

'Alex' = MJJ
Aaron = MKK (Mong KorKor)
Nigel = MDD (Mong Didi)

HAHAHAHA =X