You can pretty much tell a "hasnain" from the rest of the crowd. He is the person that makes your head turn.
Hasnains are also very intelligent. They are good people to sit next to during exams.
The name is a combination of the two grandsons of Prophet Muhammad, Hassan and Hussein.
Hassan literally means "good".
Hussain means Younger Hassan.
Stranger: Sorry, come again---Ha?
Me: Just call me Haz.