Many TV shows can last decades. It is fascinating to see your favorite characters grow up, and even age. Despite the fact that makeup artists use every trick in their arsenal, actors will still get more wrinkles over time. But that"s just the way of life, right? We get to see our favorite actors and actresses grow older every year, since there is no eternal youth.

Let"s take a look at these iconic TV characters in their very first episodes!

1. Penny -- The Big Bang Theory

Kaley Cuoco plays Penny. She is a country girl who stole Leonard and Sheldon"s wi-fi. She later married Leonard and is still stealing Leonard"s wi-fi. You can see how far she has come!