Sirius Black is a fictional character in J. K. Rowling's "Harry Potter" series, played by Gary Oldman. Black, also known as Padfoot or Snuffles (in his Animagus form) was a pure-blood wizard. He was born on 3rd November, 1959 and is the eldest son of Orion and Walburga Black. He is heir of the Ancient and Noble house of Black and brother to Regulus. His cousin's are Bellatrix Lestrange (née Black), Andromeda Tonks (née Black) and Narcissa Malfoy (née Black). He was Harry Potter's godfather. He was best friends with James Potter, along with Remus Lupin and Peter Pettigrew. These four were known as the Marauders in their school days, and created the Marauder's Map.