16:10 - I think what Alex said is right, a lot of Taiwanese people change their English names all the time, because it's not really useful to them. If it's not on their passport or identification, they don't care.
Definitely, it's often a temporary nickname. I knew a student whose grades were mediocre and he took the name "Fine". ("what's your name?" "I am Fine" "No, I asked what's your name" *repeat*). But one year, his grades improved substantially. To mark the occasion, he decided to change his name to "Well". ("what's your name?" "I am Well"). Last I heard from him, he got into a top university and is now called Great.
hunhunhaha the name Isis is originally an Eyptian goddess. There are arabic girls called Isis. The current name used by this organisation means Islamic state, it is not a name, only an abbreviation.
I have good laughs when Alex reads names, emphasize pronunciation, to extract the funny (not fanny) from word.; egghead: 大頭, Apollo Sensation, Lucifer.