I was thinking about it from past so long.. but it was
really easy just the case it did'nt strike me..
however here I present this flawless trick !!
For making your name invisible follow the steps: 1) Click on edit profile 2) Type ALT + 0173 in your first name and last name. (i.e. Type 0173
while pressing the ALT key of your keyboard.) 3) Click on Update