Eyerok is a group of two hands made of rock with one eye called R hand and L hand. They both are a boss in the game Super Mario 64. Their main appearance being 2 hands 1 job. They can be seen in the level Stand Tall on The Four Pillars inside the pyramid located in the Shifting Sand Land stage.
The left hand is portrayed as the more sensible of the two, while the right hand is not as smart. He is also obsessed with turtles.
R hand likes turtles and thinks Bowser is one.