Golgius

Golgius (ゴルギウス) is a Holy Knight, belonging to the infamous Weird Fangs stationed at Baste Dungeon; he aided in the capture of the Deadly Sin, Ban.

Appearance
Nothing of Golgius's facial appearances are known. He wears a suits of armors, His helmet looks like a demon with slanted eyes, nine dots over each eye, a mouth with sharp teeth, and horns on the sides. His torso his covered in metal while his are covered in chain mail. He legs are also covered by metal, where his lower legs appear to be wearing knee length metal boots.

Personality
Golgius is a polite person, as he introduces himself to Elizabeth and Hork as he appears before him.

5 years ago
Five years before the beginning of the series, Golgius and the three other members of the Weird Fangs confronted Ban of the Seven Deadly Sins. The resulting battle ended in Ban's capture and imprisonment in Baste Dungeon, where Golgius remained as one of the dungeon's four guardians.

Forest of White Dreams Arc
The guards that are guarding Ban mention that he along with the Weird Fangs are at the Baste Dungeon.

Baste Dungeon Arc
Golgius is inside the Baste Dungeon, along with the rest of the Weird Fangs. He then listens as Friesia tells them that he is going to finish both Meliodas and Diane off.

Later when the Dr. Dana tells Elizabeth and Hork that he had poisoned Meliodas, he thanks him for holding his end of the deal. He also explains that they have to take significant measures to face one of the Seven Deadly Sins. He then appears before Elizabeth and Hork and introduces himself to them. Golgius tells them that he has come to pick up Elizabeth and the sword that Meliodas has. After that he grabs the sword but Meliodas won't let go of the sword. He is then shocked when Meliodas turn out to still be alive.

Abilities/Equipment
Golgius is an extremely strong fighter as he was able to defeat Ban of the Seven Deadly Sins along with the other Weird Fangs. He also has the capability of turning invisible.

Friesia
Golgius and Friesia are both members of the Weird Fangs. They seem to be on good terms with each other.

Dr. Dana
Golgius calls the doctor, Mr. Dana, and it appears that he shows some respect for the doctor. He seems to be on good terms with each other, and even formed a deal to assassinate Meliodas with poison.

Trivia

 * Golgius is also the name of a king in the video game Code of Princess for the Nintendo 3DS