Dr. Dometone
First appearance | Dr. Dometone (episode)
Last appearance | Fond Memories
Name | Dr. Dometone
Gender | Male
Species | Humans (original series)
Weapon(s) | Controls giant frog-like robots, Hercules and Sampson
Voiced by  | Bob McFadden
Dome home

The Great Oceanic Plug

Dr. Dometone is one of Third Earth's greatest scientists. He is director and principal guardian of the "Great Oceanic Plug".


Dr. Dometone created two giant frog-like robots called Hercules (a.k.a. Hurkie) and Sampson to help him protect the plug. When the plug was threatened by the salvage man from planet Blue Plunder called Scrape, he came to the surface to enlist the aid of the ThunderCats.

In "Fond Memories," Mumm-Ra took the form of Dr. Dometone in order to lure Lion-O to his gallery trap.


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