Iron Eye is one of Mr. Krabs' Navy buddies. Despite his name, his iron eye is actually made of Formica. He appears in the season four episode, "Shell of a Man."
He is a dark tan colored muscular fish with peach colored lips and has an eye that is made of formica and is dark gray. He wears an emerald green colored shirt, a blue hat and dark green pants.
In "Shell of a Man," he attends the Navy Festival that Mr. Krabs goes to.