Janice Quatlane
ジェニス・カトレーン
A well-known opera singer that sought the aid of Professor Layton to solve mysteries involving her friend Melina who had gone missing a year ago only to return recently with the appearance of a seven year old who also claims that she has discovered the secret of eternal life.
Actually self of Melina was totally copied to Janice’s body using Detragon. But no one other than her knows this.