Biggest loser: whale drops $127 million in Vegas

Harrah's
Harrah's

I'm sure Terrance Watanabe expected his luck to turn around soon with every step he took toward losing nearly $127 million at the tables in Las Vegas.

It never happened, and now the former millionaire is in a desperate legal battle with Harrah's over the $14.7 million the casino company claims it advanced Watanabe, money he failed to repay. His counterclaim states that the casino kept him liquored up and supplied with pain meds to keep him in the game.

He is by no means the only mega-loser in the gambling world, though. Other big-time marks include: