
Quick answer — Kumi Yamakado voices Aqua Regina in Mermaid Melody: Pichi Pichi Pitch, Taki in Mermaid Melody: Pichi Pichi Pitch.
Kumi Yamakado voices Aqua Regina (Mermaid Melody: Pichi Pichi Pitch), Taki (Mermaid Melody: Pichi Pichi Pitch).
Aqua Regina is voiced in Japanese by Kumi Yamakado.