Lily Ki, professionally known as LilyPichu, is an American voice actress, online streamer, and musician. Born on November 20, 1991, in Queens, New York, she began her career as a content creator, gaining initial popularity through musical parodies and sketches on YouTube. Her background in music and art, cultivated from a young age, would later complement her voice acting work.

Ki has built a portfolio of voice roles in English dubs of anime series and video games. One of her earliest major roles in anime was providing the voice of Muni Ohnaruto in the 2020 series D4DJ First Mix. She is also known for her role as Megumi Okura in the card game anime Cardfight!! Vanguard overDress, a performance noted in reviews for bringing depth to the character's personal struggles. In 2022, she joined the cast of the romantic comedy Don't Toy with Me, Miss Nagatoro, voicing the supporting character Yosshii, a friend of the titular character known for her cheerful and somewhat oblivious nature.

Beyond these roles, Ki's voice work spans several other notable anime and games. She is widely recognized for voicing the character Sayu in the globally popular video game Genshin Impact. Her other anime credits include roles in Welcome to Demon School! Iruma-kun, Tonikawa: Over The Moon for You, and The Misfit of Demon King Academy. While her voice acting career is one facet of her professional life, her background as a prominent content creator and musician has made her a recognizable figure in the industry, with her casting often noted as an example of a popular online personality entering the field of anime voice acting.