Axel

Axel is one of Metalmanager's puffles and a Puffle Ninja.

Background
Metalmanager found Axel in the bushes of the Dojo Courtyard, he left a Ninja Mask behind him which was found a few days after that. Axel, from then, has lived with Metalmanager and several more puffles.

Trivia

 * Axel is not just a white puffle, but a white ninja puffle.
 * This puffle was spotted by millions, but the puffle jumped into Metalmanager's arms and wouldn't get out.
 * Axel was also visible from the mountain and one point.
 * This was NOT Sensei's puffle.