| Sensei is a popular celebrity character in the online kids | | | | they become a Club Penguin ninja and earn a special |
| game, Club Penguin. He first appeared in late 2008 as | | | | ninja outfit. They also gain access to the secret ninja |
| part of a major event at the Dojo, a popular hangout | | | | hideout, also known as the Flying Flippers Emporium. |
| for players in the game. During the event, strange | | | | Sensei normally appears inside the Dojo but recently |
| things began to happen on Club Penguin, including the | | | | has been making special celebrity appearances in the |
| appearance of the long-rumored Club Penguin ninjas. | | | | game. During these special appearances, he arrives on |
| The old Dojo was destroyed, and then the Sensei | | | | random servers and will chat with other players. |
| appeared as it was re-built. He took up residence | | | | Players who are fortunate enough to find him can |
| inside the Dojo and became a major part of a new | | | | obtain a special autographed player card background |
| mini-game launched on the site called Card-Jitsu. | | | | from him as a souvenir. His appearances are limited, |
| In the Card-Jitsu game, which exists both as an online | | | | and usually tied to special events, just like the |
| mini-game on the web site and as a collectible trading | | | | appearances from other celebrity penguins such as |
| card game that can be bought in stores, Sensei guides | | | | Rockhopper, Gary the Gadget Guy, and the Club |
| players as they seek to improve their martial arts skills | | | | Penguin Band. When he is appearing in the game, |
| by competing against each other. In the online version | | | | many players will post sightings of him on blogs or in |
| of the game, players advance through levels, or "belts" | | | | forums. There are also several Sensei Tracker |
| until they obtain the black belt. At this point, they may | | | | widgets available, which attempt to pinpoint his location |
| compete against Sensei and if they can defeat him, | | | | as he moves from server to server in the game. |