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Craziest Celebrity Trademarks

6 of 14

Charlie Sheen: "Duh, winning."

During the height of his epic meltdown, Charlie Sheen attempted to trademark 22 phrases with the U.S. Patents office, including the now-infamous “Duh, winning.” The actor filed papers to secure the rights to others as well, including: “Adonis DNA,” "Tiger Blood," and “Violent Torpedo of Truth.” —XFINITY Entertainment Staff (Photo by Brad White/Getty Images)

The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.

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