This article is non-canon.

This article covers a subject that has been deemed non-canon by either the author or the Back to the Future licensees, and thus should not be taken as a part of the "real" Back to the Future universe.

Demon Monstrux
Biographical information
Physical description
Hair colorN/A
Behind-the-scenes information

The Demon Monstrux was a video game character in BraveLord and Monstrux. It was a multi-legged creature with purple skin and a long tongue.


An accident allowed the Demon Monstrux to escape the video game into the real world, and Emmett Brown became trapped inside the video game. This resulted in Marty McFly, Jules, and Verne Brown battling Demon Monstrux to force him back into the video game, and Doc out.

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