Piyoko Black is a central character in the anime series Di Gi Charat. As the leader of the Black Gema Gema Gang, she is often portrayed as a mischievous and determined antagonist who tries to kidnap Dejiko to gain wealth for her impoverished planet, Planet Analogue. Despite her villainous intentions, Piyoko is cute, earnest, and often struggles with her plans, resulting in comedic failures. Her endearing personality and childlike innocence make her a fan-favorite and a memorable part of the series.