Joynas

The Take 'Em All On Woman is a character from The Legend of Zelda: Spirit Tracks. She resides in Castle Town and runs a mini-game called Take 'Em All On, the goal of which is to fight several waves of enemies with no recovery items.

Theory
The Take 'Em All On Woman bears a striking resemblance to Jolene, and character from ''The Legend of Zelda: Phantom Hourglass, and may be a descendant of her.