Let me see,
1) alex here, or whatever his name is, accused Devil for asking his
gf, bee, to break off with him.
2) Devil admits he did ask her out but denies asking bee to break
off with her bf.
These are basically what we know. Till now we cannot be sure due to
lack of hard evidences,
1) If Devil really ask bee to break off with alex
2) If alex is still with bee
3)If alex used bees account to post in one of the thread
4) If Devil is still sending sms to bee
So I suggest
1) organize a meeting between alex, bee, Devil and some other
interested parties to sort it out once and for all.
2) alex can report police since he claims Devil is stalking
bee.
3) Devil simply ignored alex and alex can continue to create more
threads and nicks till most of us are sick of them.
Simple as that.
What I dont understand is if Devil has been going around sleeping
with other ppl gf. Where are they? How come no one step out? Maybe
bee is the first one? 
My name is Tan Ah Teck and I am an honest man. 