Big Bang Character: Leonard Hofstadter, an experimental physicist with Clark Kent glasses, an impressive comic book collection, and a love for playing Klingon Boggle. A poster boy for geek chic, he lives with his best friend Sheldon in an apartment across the hall from his on-again-off-again girlfriend Penny.
Snakkle Snippet: Galecki’s first acting role was opposite future Roseanne costar John Goodman in the CBS miniseries Murder Ordained. Coincidence? There were plenty of times when Goodman’s Dan Conner probably wanted to murder his young daughter’s boyfriend.