Alan has, in the show, divorced two times, is awkward with women and attracted to chicks who treat him bad. He's like the Internet's meme Bad Luck Brian.
Jon Cryer got married two times, and after his first divorce, Charlie Sheen tried finding him prostitutes. He thought that this way, Jon will make it through the critical period much easier.
Today, Jon is 49, has less hair and a beard.
He's married to a journalist, Lisa Joyner, with whom he adopted their daughter six years ago.