Pauline

From RareWiki, the wiki about Rare

Pauline is Mario's Girlfriend in the arcade game Donkey Kong. Donkey Kong kidnapped Pauline and took her to the top of a construction site. She was then saved by Mario. Donkey Kong had to beat the game as a Challenge for a Golden Banana in Donkey Kong 64 in the stage Frantic Factory. After the banana was recieved you must play the game again to obtain the Nintendo Coin to get the 8th key in Hideout Helm. When you play the game again Pauline is replaced with the Nintendo coin.