= List of The Big Bang Theory and Young Sheldon characters
{wiki=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.
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