Azumanga Daioh Wiki
AD Student's Friend

She also voices this female student who only appears in the background in episodes 1, 3 & 19.

Monica Jean Rial, born October 5, 1975, in Houston, Texas, is the English voice actor of Nyamo in the Azumanga Daioh anime. She is also an ADR director and script writer for Funimation Entertainment/OkraTron 5000 and ADV Films/Seraphim Digital. She is famous for her anime voices, for which she won the Behind the Voice Actors People's Choice award for Female Voice Actress of the Year. Her voice is known for being very high naturally. She has been active since 1999, and her agent is Mary Collins Agency. Other anime she has worked on include Yu Yu HakushoD.N.AngelFullmetal AlchemistNeon Genesis EvangelionNegima!Princess TutuAir GearOne PieceSchool RumbleTsubasa: RESERVoir CHRoNiCLE (which was also her dream anime series to work on), Ouran High School Host ClubD.Gray-manSgt. FrogHetalia Axis PowersSoul EaterBlack ButlerFairy TailHighschool of the DeadDetective ConanMermaid Melody: Pichi Pichi PitchxxxHolic, and Panty & Stocking with Garterbelt. She has also done voice work for several video game.