The Big Bang Theory
Penny
Leonard Hofstadter
Sheldon Cooper
Raj Koothrappali
Bernadette Rostenkowski
Howard Wolowitz
Amy Farrah Fowler
Leslie Winkle
Stuart Bloom
Arthur Jeffries
Mrs. Wolowitz
Barry Kripke
Priya Koothrappali
Mrs. Koothrappali
Mr. Koothrappali
Lucy
Sheldon’s Spot
The Apartment Building
Apartment 4A/B
The Laundry Room
The Roof
Wolowitzs' House
Capitol Comics
The Cheesecake Factory
The Comic Center of Pasadena
California Institute of Technology
Massachusetts Institute of Technology
Jet Propulsion Laboratory
Pasadena