What is "sickel"

Sickel or Sickels is the surname of:

• Dale Van Sickel (1907–1977), All-American college football player and motion picture stunt performer
• Frederick Ellsworth Sickels (1819–1895), American inventor
• Horatio G. Sickel (1817-1890), Union general during the American Civil War
• John Sickels (b. 1968), American baseball writer
• Theodor von Sickel (1826-1908), German-Austrian historian