Thanks for the sharing. It’s nice to know that.
The reason came into as a Metal Rabbit because it’s 辛卯 year 2011, where 辛 represents metal and the 卯, rabbit is of wood.
There 8 letters, zi, or 八字. Year says first 2, and the following month, day and time says the rest of 6. Per experience, the timing of the baby born is more important.