Jon Cryer named his real life son Charlie. However, this is pure coincidence considering the fact that Charlie Cryer was born in the year 2000, three years before this show premiered.
It's not that I don't care what you want. It's just that you're a kid. What you want doesn't matter.
Charlie: Wow, I *do* suck.
The location on the umbrella stand switches from the left side of the door to the right side and some times its not even there at all.
The Chuck Lorre Productions vanity card at the end of each episode consists of the words "Chuck Lorre Productions", the vanity card number, and a short essay or mini screenplay that changes with each episode. Topics have included a riff on slang words that Lorre wants to coin, the reason a certain scene containing the line of dialog that was used as the episode's title was edited out, and a screenplay about Lorre's assistant entering his office and finding him curled up in the fetal position.