20 Mind-Blowing Facts You Never Knew About The Big Bang Theory
6. Pennys Last Name Is Unknown
Having said that about the Leonard and Penny love in, there is one thing Leonard doesnt know about her, and thats her last name. The characters last name is yet to be revealed on the show, or even muttered, and according to reports Kaley Cuoco is keen to ensure that an accident doesnt reveal it and is said to be very vigilant about the whole thing. Now that is dedication!
