Ogre

A staple of fantasy settings, the Ogre derives from various European lore relating to giants. Typically, ogres are the smallest, ugliest, dumbest and crudest of the variant giants; this justifies their frequent alliances with goblins and orcs due to a similar distaste for making an honest living and love of fighting. Generally, when your party is capable of killing orcs easily, ogres are the next step up.

Exactly just how crude they are varies from setting to setting. Pathfinder infamously made its ogres into inbred, cannibalistic, depraved rapist monsters straight out of some hicksploitation horror film. Picture a cross between The Hills Have Eyes and Deliverance played out by giants and you got the basic idea.

For the Dungeons & Dragons creature called the Ogre Mage, see the Oni page.

Warhammer has the Ogre Kingdoms.

In Warcraft Ogres are race of brutish barbarian like clans similar to the Orcs in Draenor. The Orc warlock Gul'dan developed two head Ogres to be slightly smarter than the average Ogre, he also made Ogre Magi who are smart enough to use magic.

In Kings of War Ogres are a race of mercenaries not unlike in Warhammer Fantasy Battles. The biggest difference between the two is that the ogres of Mantica aren't ridiculously stupid. They have no central leadership, so clans will fight as allies for just about any army between them.