Irma Langenstein is an Teenage Mutant Ninja Turtles character.
Fred Wolf Cartoon
Irma is a young woman who is April O'Neil's best friend, and works as a secretary for Channel 6. She befriends the Ninja Turtles during season 2.
As the early Archie Comics issues adapt Fred Wolf Cartoon episodes, her appearance is similair. Irma is a young woman who is April O'Neil's best friend, and works as a secretary for Channel 6. She is also April O'Neil's best friend, but is never seen befriending the Ninja Turtles.
In the Nickelodeon series, April O'Neil originally knows an "Irma" who is later revealed to be a Kraang in Human disguise.
In the IDW Comics, Irma Langenstein is a Channel 6 news reporter. It is her, her last name is uesd for first time, while it had already been fanon for years.