Siegfried is the main protagonist of the Soul Calibur video game series. He is the well known seeker of vengeance, who's goal is to kill Nightmare. With the death of Nightmare and the sword Soul Edge destroyed the world would be safe again. It is said that Nightmare was created by evil laying within Siegfried and the sins he committed. So the only way to really bring peace to the world was to kill Nightmare once and for all. It is shown in the games that Siegfried is really handy with his big and heavy sword and is capable of twirling it around in a certain type of motion similar to Zasalamel with his scythe. He was shown to have kids that were introduced in Soul Calibur V.