List of The Big Bang Theory and Young Sheldon characters

Here’s a list of main characters from both "The Big Bang Theory" and its spin-off "Young Sheldon": ### The Big Bang Theory Characters 1. **Sheldon Cooper** (Jim Parsons) - A theoretical physicist known for his eccentric personality and lack of social skills. 2. **Leonard Hofstadter** (Johnny Galecki) - An experimental physicist who lives with Sheldon and has a romantic interest in Penny.