Ur Gay
Namesake.
A classic name for a birthday person is "Birthday Boy" , or "Birthday Girl".
You call them your(or a) contemporary.
David shares a birthday with this girl named Kali
A person shares their birthday with at least nine million different people around the world.
ebay
Host
birthday boy/girl (...or newborn, if you really want to get technical) == ==
Yes, you should call and thank the person for your birthday gift as it shows you appreciate the effort they made for you.
I do!! My birthday is too on November 23rd!!!
Frodo Baggins has the same birthday as Bilbo.