Jan Irving is a pseudonym used by the American voice actress Kari Wahlgren, who has been active in the anime dubbing industry since the early 2000s. Under the name Jan Irving, Wahlgren is specifically known for providing the English voice of Miina Miyafuji in the anime series Please Twins!. Her broader career as Kari Wahlgren includes landing major English-language roles in numerous notable anime series. She made her debut in the industry as Haruko Haruhara in FLCL and went on to portray characters such as Robin Sena in Witch Hunter Robin, Lavie Head in Last Exile, Fuu in Samurai Champloo, Pacifica Casull in Scrapped Princess, Saya Otonashi in Blood+, Kagami Hiiragi in Lucky Star, Saber in the Fate series, and Celty Sturluson in Durarara!!. Wahlgren is known for using multiple alternative names for her voice work, with Jan Irving being one of several pseudonyms alongside Kay Jensen, Jennifer Jean, and Renee Emerson.