title: Mad Jack
text: # Mad Jack
  
  Mad Jack may refer to:
  
  ## People
  
  * John Byron (British Army officer) (1756–1791), English captain, father of Lord Byron
  * Jack Churchill (1906–1996), British World War II lieutenant colonel who fought armed with a longbow, arrows, and a Scottish broadsword sword, and carried around bagpipes
  * Mad Jack Fuller (1757–1834), English politician, noted for building a number of follies in Sussex
  * Mad Jack Hall (1672–1716), Jacobite leader
  * Charles Howard, 20th Earl of Suffolk (1906–1941), World War II bomb disposal expert
  * John Mytton (1796–1834), English eccentric and rake
  * John Percival (1779–1862), US Navy captain
  * Siegfried Sassoon (1886–1967), English First World War poet, writer and soldier
  
  ## Fictional characters
  
  * two of the various Jack O'Lantern (Marvel Comics) villains
  * the title character of Mad Jack the Pirate, a 1990s cartoon
  