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Penny's 'Big Bang Theory' Secret: You'll Never Know Her Last Name, Steve Molaro Says | HuffPost Entertainment
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Did The Big Bang Theory writers ever give Penny a surname? | TV & Radio | Showbiz & TV | Express.co.uk
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Big Bang Theory - Penny's real surname revealed as fans spot major clue? | TV & Radio | Showbiz & TV | Express.co.uk
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Did The Big Bang Theory writers ever give Penny a surname? | TV & Radio | Showbiz & TV | Express.co.uk
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