In both cases, he also wore sunglasses.
The most recent robbery happened shortly before 2 p.m. on Jan. 5 at a check-cashing business on East Lincoln Avenue in Anaheim.
The first took place on Nov. 28, 2009, at a different check-cashing business, on South Brookhurst Street.
The robber is described as Latino, 40 to 52 years old, 5 feet 9 inches tall, weighing 220-250 pounds, with a stocky build. He has gray or brown hair and a mustache.