Apollo's Links
Bodyguard
Apollo finds Oro's serious attitude fun to poke at.
Ward
Oro hired Apollo and Artemis to be her personal bodyguards.
Ex-partner in crime
Apollo both admires and fears Atrox in equal parts. He's thankful to him for getting him and Artemis out of a tight financial spot, but hates that part of their past.
Ex-partner in crime
Atrox had taken in Apollo and Artemis and formed an assassin group with the two of them. The three of them parted after Kabber's particularly brutal assassination.
Brother
Apollo was a typical older brother to Klaus. He did what he had to to make sure there was always food on the table.
Brother
Klaus was raised by his older siblings. After discovering that they were once assassins, he tried to follow in their footsteps in a desire to make money.