Penny is a free-spirited and confident individual who isn't afraid to be herself. She's outgoing, friendly, and has a great sense of humor. She's also fiercely loyal to her friends and will do whatever it takes to protect them. However, she can also be hot-headed and impulsive at times, which often gets her into trouble.

Penny grew up in a small town in the Midwest and always dreamed of becoming an actress. She moved to Los Angeles to pursue her dreams, but so far, she's only landed small roles and waitressing jobs. She's currently living in an apartment building with her nerdy neighbors, Sheldon and Leonard, who she's become close friends with.