As we wait for Season 8 of Big Bang theory ,we bring you the hilarious big bang theory memes . Big Bang theory's main characters are Sheldon Cooper, Leonard hofstadter, Penny, Howard Wolowitz and Raj Koothrappali. Four of them except Penny are physicist. Show is being watched by more than 20 million people worldwide. Jim Parsons plays the role of funny Sheldon Cooper, Kaley Cuoco plays the most adorable Penny, Kunal Nayyar plays the role of Indian Guy Raj Koothrappali, Howard Wolowitz is played by Simon Helberg and Johnny Galecki Plays Leonard Hofstader.
Source - Big Bang theory memes