Penny Grimm

• Also known as

Aunt Petunia was first mentioned by Ben Grimm (The Thing) in Fantastic Four (Marvel, 1961 series) #25 (April 1964). She first appeared as "Penny" in Fantastic Four (Marvel, 1961 series) #238 (January 1982), and she was identified as Aunt Petunia in issue #239 (February 1982).