Charlie Sheen!

In his own words, "I am on a drug. It's called Charlie Sheen. It's not available. If you try it once, you will die. Your face will melt off and your children will weep over your exploded body." Maybe he didn't die from this dangerous drug (street name CS), but it still had an impact on him physically.

Hats off to the end of Charlie's career!

Mark Paul Gosselaar!

When Mark Paul Gosselaar starred on Saved by the Bell as Zach Morris, his character was all about his hair. Even if that hair was bleached a bright blond on a regular basis. On Saved by the Bell it was all about a competition between Zach and A.C. Slater (played by Mario Lopez), and a big part of that competition was having good hair (mostly to impress the ladies). However, as time wore on, Mario definitely won that battle.

Mario Lopez:

Mark Paul Gosselaar:

Humphrey Bogart!

Thanks to reader EK for this submission.

For a guy named Humphrey, Bogart did pretty well for himself. Became an Oscar winning actor, married the beautiful Lauren Bacall and made tons of money to support his rug wearing needs. You can see that he had different hairlines in each movie he did.

And now here he is without a hair piece: