Plum

From Mario - Wiki on Neoseeker

Plum was one of the 5 playable "human" characters and 14 playable characters in Mario Golf. She hits the ball 208 yards, making her the weakest of all characters in the game. Although not appearing as a playable character in any game after Mario Golf, she does appear as a trophy in Super Smash Bros. Melee and a sticker Super Smash Bros. Brawl.