Shoko Nakagawa (中川 翔子, Nakagawa Shōko, born May 5, 1985) is a Japanese media personality, actress, voice actress, illustrator, and singer. Also known by her nickname Shokotan (しょこたん), she is best known as the presenter of Pokémon Sunday, and as the performer of the opening theme from the anime Gurren Lagann.

Source: Wikipedia (https://en.wikipedia.org/wiki/Shoko_Nakagawa)