Big Bang Theory characters in order of deepest character development and show impact:

1. Amy Farrah Fowler
2. Stuart
3. Raj
4. Penny
5. Bernadette
6. Howard
7. Leonard
8. Sheldon

In order of most annoying / rude / I could do without:

1. Sheldon
2. Howard
3. Bernadette
4. Raj
5. Kripke
6. Leonard
7. Penny
8. Stuart

Shortest to tallest:

1. Howard
2. Bernadette
3. Leonard
4. Raj
5. Amy Farrah Fowler
6. Penny
7. Sheldon