Sirius Black is a character from the Harry Potter book and film series. He appeared in Harry Potter and the Prisoner of Azkaban. He started off as a criminal convict escaped from Azkaban. He was revealed to be Harry's godfather.
As Manfred Silva's dying wish, he promised to raise Terrence as his own. He is Terrence's most trusted ally plus mentor as much as he is Terrence's most beloved family member.