"I'm not concerned," he said. "I trust in our legal system. I trust in justice." After Monistere recorded the Who Dat chant in 1983, he created Who Dat Inc. to market and sell the phrase.

'Who Dat' shirts being sold at the Fleurty Girl shop on Oak Street would be acceptable, McCarthy said, as long as the shop removes advertising referring to the Saints.

On March 4, Who Dat? Inc. filed suit in U.S. District Court in Baton Rouge, claiming trademark rights to the phrase and alleging NFL Properties and the Saints were infringing on it.

Saints News Network/SI are featuring Kelly Roberson Furr AKA “She Dat” and the Furr Family, Bill, Shelby, and Nick Furr as this week’s Saints Angels of the Week.

As we inch towards Super Bowl XLIV, there seems to be much confusion and intrigue over the Cajun French phrases “Who Dat” and “Geaux Saints” and “Fleur de lis.” ...

For now, let's focus on the quarterback, who tweeted a video of his new teammate Tyrann Mathiu starting up a WHO DAT chant, a clear confirmation that Carr is now a Saint.