K.K. Slider, (とたけけ, Totakeke), or commonly called just K.K., is a dog who has appeared in all the Animal Crossing series games to date. His main role is to play and sing songs for the player. He made a cameo appearance in Super Smash Bros. Brawl and in Animal Crossing: The Movie. He was also one of the three Animal Crossing characters to be a trophy in Super Smash Bros. Melee, the others being Mr. Resetti and Tom Nook. There are a total of 70 songs in Wild World and 75 in City Folk.

Ai is a self-reliant girl that moves to Animal Village. She makes friends with the various villagers as she settles into the village. One night as she walked along the beach, she finds a message in the bottle. It sets her off on a quest of planting pine trees around the village to fulfill a miracle on the eve of the Winter Festival.<br><br>
(Source: Anime News Network)