AnThwacks was a US Antweight from East Northport, Long Island, New York that competed at the 2004 House of NERC event. However as the records for the Antweight division of the event have been lost to time it is unknown how well AnThwacks did. Although as it was retired after the event it presumably performed poorly.

AnThwacks was a black, two-wheeled, carbon-fibre, invertible, wedge-shaped robot with the wedge also doubling as a thwacking arm. However it had a glaring weakness in that its electronics were exposed in the rear. The name was a pun on the disease "Anthrax".

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