Tamatchi (たまっちTamatchi) is a Tamagotchi character that debuted on the original Tamagotchi. It started off as a teen, but then it was changed to a child on modern releases. It used to be either gender but then it was changed to female on the Tamagotchi Music Star. Its latest appearance on the Tamagotchi iD L 15th Anniversary Version has it still a child stage character though its gender is officially changed to male. Tamatchi's birthday is April 1st.[Citation needed]