and Dr. Leonard Hofstadter (Johnny Galecki). Starkly different from the rest of the sitcom's characters, Penny quickly became a fan favorite owing to the humor and charisma she brought to the series.

Fans of The Big Bang Theory were introduced to Dr. Stephanie Barnett ... needy for a man, in this case, Leonard Hofstadter. This female character from The Big Bang Theory had real potential ...