Quacker Explained

Quacker should not be confused with Quaker (disambiguation).

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