Mini-Me Drops the Bank on 50 Cent

11/8/2010 2:00 PM PST
50 Cent's biggest rival ... is about half his size.

After 50 twittered himself playing with half-a-million bucks in cash last week -- Verne Troyer got his mittens on a few stacks of his own ... and posted this vicious photo response.

Gangster rivalries have never been so adorable.