Middle name

I go by David but it's my middle name; my full name is William David Mason.

María is a common middle name in Spanish, as in José María García.

Think twice about playing for cash because "Poker" is her middle name.

I won't tell anyone. "Discretion" is my middle name.

Juan Rico Martinez dela Cruz III is my full name, where Martinez is my middle name, but people just call me "JR".

Maria Clara Teresita Reyes dela Cruz is my full name, where Reyes is my middle name, but you can call me Tessie or Tess.