Lui Vizotto is a Brazilian actor, voice actor, singer, and vocal coach. Known professionally by his stage name, he was born Luís Gustavo Oliveira Lovisotto. His formal training includes studying acting at the Escola de Arte Dramática da Universidade de São Paulo and popular singing at the Escola de Música do Estado de São Paulo – Tom Jobim, as well as earning a bachelor's degree in performing arts from the University of São Paulo. His career began on stage, and he has since performed in numerous theatrical productions across São Paulo. In television, he is known for his role as Wesley on the Comedy Central Brasil series Auto Posto.

In the field of anime voice acting, Vizotto is known for contributing to the Brazilian Portuguese dubs of several major series. He provided the voice for Marco Nogata in the anime series FLCL Progressive, which was released in 2018. He is also cast in the role of Doug for the series Lazarus. Beyond these specific anime credits, his broader work as a voice actor spans dubbing for various animated and live-action productions. He has also worked as a vocal preparation coach for theater and has served as a professor of vocal expression at the Escola de Atores Wolf Maya since 2018.