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.