She is marked as a semi-clone of Villager, but is not marked as an Echo Fighter, a term used in Ultimate to mark clones like Lucina. Isabelle is classified as Fighter #68. In addition to her role as a playable fighter, her Mii Costume from Super Smash Bros. for Nintendo 3DS / Wii U returns. Isabelle is a dog in the Animal Crossing series who first appeared in Animal Crossing: New Leaf, where she helps the player with their duties as mayor.