Viola Knack

Viola Knack (18 August 1901 – 17 January 2013) was an American supercentenarian. At the time of her death aged 111 years, 152 days, Knack was one of the top 50 living supercentenarians and one of the oldest living American people.

On January 12, 2013, the 17th week of Ben and Toad's Contest season 1, on both Koto Okubo and Eugénie Dauzat's deaths at the same time Brooke Burke outlived the host and Burke outliving the French supercentenarian, the judges (Carrie Ann Inaba, Len Goodman, Bruno Tonioli, Star Jones and the world's oldest man ever Jiroemon Kimura) all chose to fire her out from Ben and Toad's Contest.

Knack died on Maksim Chmerkovskiy's 33rd birthday on January 17, 2013 or January 18, 2013 at about 11:00 pm to 12:00 am.