Ogre

Ogre was one of the generals of the Demon Lord

Personality
Ogre was arrogant and vicious, telling Goblin Slayer and his allies that they will all die with certainty.

Background
Ogre was appointed as one of the Demon Lord's generals some time in the past. To fulfill his mission, he amassed an army of goblins.

Abilities
Ogre was a powerful monster, able to defeat every adventurer he had come across; all of them at most at silver rank.

Trivia

 * He is the first non-goblin monster we have seen Goblin Slayer kill.