JoJo Hummerhielm: She's a grand old dog. Her name is pronounced, "YoYo", and she is very bouncy, up and down, like a yoyo.

VIDEO: Watch JoJo the Soccer Dog maneuver the ball: JoJo Hummerhielm is a professional soccer player who learned the game from big brother Robert. Enjoy! (Note: In order to play this video, you need a lot of patience if using dial-up. You also need Flash.)