Not to be confused with Piestar.
Pistar was the leader of Thunderclan before Piestar and Pinestar. He fathered both of them. When he was a warrior, his name was Lionblaze (not the famous one). However, when his leader died in a Pokeball accident, he went to the Moonstone. At the Moonstone, he was attacked by Giovanni Tigerstar before he received all of his nine lives. He only had 3.14 lives. He took the name of Pistar and chased away Giovanni Tigerstar. Later, he killed Adolf Hitler with a shotgun.