Eye Guy is an eye monster created by Finster. Rita had once employed Eye Guy's skills on Redna 2 to capture incredibly bright children to use their intelligence for evil. Eye Guy was one of Rita's favorite monsters and Eye Guy seemed to show some attraction and loyalty to her, calling her "lovely" and "a sight for sore eyes". Eye Guy had an array of energy beam attacks he could launch from his various eyes, and could reassemble himself if blown apart. Eye Guy's mission was to capture a highly-intelligent child so Rita Repulsa could absorb their intelligence. Eye Guy captured Billy's friend Willie and was challenged by the Power Rangers. Eye Guy proved to be invulnerable to their Power Blaster and had them on the ropes until Billy destroyed his main eye. Grown to giant size by Rita, Eye Guy was destroyed by the Dino Megazord, freeing the child before Rita could get to him.

Some time later when the Rangers were sent to the Island of Illusion, they were assaulted by the illusions of monsters they had already defeated which then vanished when they were about to touch the Rangers. One of these illusions was Eye Guy. Eye Guy later attended Rita and Zedd's wedding, bringing a caged spider for "either a decoration or a light snack." After the reception, he was part of the monster army that fought and was destroyed by the Thunderzords.

Eye Guy was featured in Countdown to Destruction and was one of the many monsters that aided King Mondo in raiding the Phantom Ranger's home planet. Eye Guy was last seen in the finale of Lightspeed Rescue when Queen Bansheera attempted to open a gateway to the Shadow World. He was among the undead monsters seen in the gateway.

Eye Guy was also one of the villains (the third boss) in the original Mighty Morphin Power Ranger Super Nintendo Video Game.

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