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Appo was a clone trooper sergeant who served with the 501st Legion during the Clone Wars. He participated in the Battle of Umbara, one of the war's most lengthy clone trooper campaigns.

Appo was loyal to his commanding officer, even when placed under the command of Pong Krell, a Jedi Master who was known to be both ruthless and reckless. Nonetheless, Appo showed that his loyalty to his brothers and the Republic still came first as he did not hesitate to arrest and open fire upon Krell when he learned that the latter was a traitor.


  • The General (First appearance)
  • Plan of Dissent
  • Carnage of Krell
  • Star Wars: Clone Wars Adventures (Store image only)