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This character exists primarily within the Adventures of Sonic the Hedgehog continuity.
Information in this article may not be canonical to the storyline of the games or any other Sonic continuity.

Doctor Brandon Quark is a minor antagonist that appears in the Adventures of Sonic the Hedgehog television series. He is a brilliant professor and a mad scientist rival of Dr. Robotnik who had a little lab accident that turned him into half a duck.


Quark has spiky red hair, sharp teeth, white skin and gray eyes. He wears a gray suit, green goggles, gloves, boots and a belt with a yellow piece in the middle.


Dr. Quark was just another CEG (Crazy Evil Genius) trying to take over Mobius. His greatest invention is D.U.F.U.S. - a super intelligent robot who can morph into just about anything. For a time, Quark and Robotnik duked it out until Quark cracked. He ended up flying south for the winter - literally.


Dr. Quark hates whenever Dr. Robotnik calls him "Quack", prompting him to declare that his name is "Quark".


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