Karmen

Karmen is a (presumed) Autobot from the Generation 1 series.

Karmen is the sister of Autobot communications officer Blaster and the brother of Toaster. She transforms into a set of heated hair curlers.

Fiction

Marvel Generation 1 Comics

The only time Karmen was referred to was on a letters page in the UK comic, where the host at the time, Blaster, told a correspondent that he had a sister in addition to his brother.

From Teletraan I: The Transformers Wiki, a Wikia wiki.