Wisp

Wisp is a ghost who appears in Animal Crossing. He can be seen between 12:00AM and 4:00AM. He appears when the player walks into the same acre. He asks the player to help him catch 5 spirits before 4:00AM and when the player does, he offeres to paint their roof a different color, pull all the weeds in the player's town, or just to give the player a gift.