Cyclops

Cyclops are common hostile melee mobs that will attack the player nearby it. It will also spawn naturally in the Plains, Forest, and Extreme Hills Biomes of the Overworld. The only thing this mob drops is experience. The Cyclops takes up a 1x1x3 space like the Sasquatch and the Goblin.

References/Sources
http://adventofascension.gamepedia.com/Cyclops