title: Quacker
text: # Quacker
  
  Quacker or Quackers may refer to:
  
  * Quacker (Tom and Jerry), a cartoon duck character from Tom and Jerry
  * Quacker, a type of unexplained sound detected by Soviet submarine crews during the Cold War, also known as Bio-duck
  * Quackers, a brand of duck-shaped cracker manufactured by Nabisco in the 1980s
  