Icon-mmpr.png This article is about a/an monster in Mighty Morphin Power Rangers.

"Oh ho ho ho ho hu hu! Lord Zedd has given me such an important assignment. Gatekeeper of the Dark Dimension. But I have to make sure it stays locked up. Let’s see, which key is it? Phooie. I'll just use my master key. Once I turn this, no one will be able to escape."
―The Key Monster's first and only line.[src]

The Key Monster was a key themed monster who appeared in the episode "Zedd's Monster Mash."


On Halloween, Lord Zedd was very happy to see a holiday that he could enjoy and asked Goldar for advice, who suggested infiltrating the Rangers with a monster. Zedd was less than impressed as he thought that they could have their own "party" and decided that it would be a good time to take out Tommy and leave the Power Rangers so weak that a monster on the same power level as Nimrod the Scarlet Sentinel could destroy them.

Using some Putties disguised as children in Power Ranger uniforms, Goldar sent Tommy to the Haunted Forest at which point the Key Monster appeared. His job was to seal the Haunted Forest and prevent entry and exit from it and stop Tommy from leaving. The Key Monster skipped through multiple keys, trying to find the correct key to lock the dimension but discarded them in favor of a master key. He locked that door to the dimension with the master key just as Tommy arrived.


The Key Monster was a calm and patient guardian who faithfully served Zedd and guarded the Haunted Forest which made him much different than other monsters. However, he seemed very harmless if dedicated to his job so may not even have been evil and instead just blackmailed or forced to obey Lord Zedd through threat of destruction.

Powers and Abilities


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  • Master Key: The Key Monster used a magical key to open and close the door to the Haunted Forest.

Behind the Scenes



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  • The Key Monster is never named or addressed by any other villain in the episode. His name is strictly fan-based from his design.


See Also