This was the first time that Alvin, Simon and David Seville were voiced by Ross Bagdasarian, Jr. and the first time that Theodore was voiced by Janice Karman.
Karman was the father of Janice Karman, a singer-songwriter better known as Theodore Chipmunk of Alvin and the Chipmunks.
The focus of Bagdasarian Productions company is on creating albums, cartoons, and other products based on the Alvin and the Chipmunks characters, who were created by Bagdasarian's father Ross Bagdasarian, Sr. Besides helping to produce the records and cartoons, Karman provides the voice of Theodore and the members of the female spin-off group The Chipettes: Brittany, Jeanette, and Eleanor (Dody Goodman also did the voice of Miss Beatrice Miller as well).
Janice Long | Theodore von Kármán | Janice Pennington | Karman | Janice Meredith | Janice Galloway | Harvey Karman | The Janice Dickinson Modeling Agency | Kármán line | Janice Turner | Janice Robinson | Janice R. Bellace | Janice Race | Janice Lee | Janice Kluge | Janice Karman | Janice Giteck | Janice E. Clements | Karman line | Karman cannula | Janice Stein | Janice Rule | Janice Rogers Brown | Janice Meredith (film) | Janice May Udry | Janice M2, as seen in ''Robotech: The Shadow Chronicles | Janice Kulyk Keefer | Janice Koh | Janice Kim | Janice Kent |