Who is the goddess of good luck?
There are a few:
Bishamon is a Japanese goddess of Luck
Fortuna is the Roman goddess of Luck
Tyche is the Greek goddess of Luck
Nemesis was the greek goddess of vengeance, and she was attended by Poena, the goddess of punishment, sometimes called Poine. She governed retribution, vengeance, recompense, punishment and penalies for crimes such as murder. Nemesis was goddess of retribution against or for good fortune. Tyche (luck/fortune) was a companion of hers.