Peach
From Paper Wiki
Peach has made an apperance in every Paper Mario game as a playable, or the damsel in distress. She has been kidnapped by Bowser and Sir Grodus, but Mario always comes to the rescue.
In her first apperance she was kidnapped by Bowser, secound she got kidnapped by Sir Grodus and in the third game she was not kidnapped but playable. She was also tooken over by the Shawdow Queen in Thousand Year Door. But in Super paper mario she was taken by Count Bleck.She is a playable character after 1 Chapter. After you beat Chapter 1 and comeback to Flipside. She first starts at Castle Bleck. She is with three Koopas.