On the big bang theory what is pennys last name?
Penny on the Big Bang theory had no last name. She is a famous fictional character on CBS television series called The Big Bang Theory, which is portrayed by and American actress called Kaley Cuoco. Read more at http://en.wikipedia.org/wiki/Penny_(The_Big_Bang_Theory).
It was not mentioned
only persons last name Idk
she doesnt have one know but the producers are open to last names i said that it should be penny lincoln or penny dollar