Cochon 555; Mardi RA; Celeb Sighting at the Optimist

STAR WATCH— More Jake Gyllenhaal sightings: A tipster writes in to inform us that the actor has been spotted at the Optimist four times in the last two weeks, most recently last night. [EaterWire]

DOWNTOWN— It's Cochon 555's fifth anniversary, and the event will be in Atlanta on Sunday, February 17. Five chefs, including Ryan Smith from Empire State South and Miso Izakaya's Guy Wong will be competing in a nose-to-tail cooking competition. In addition to barbecue, there will be wine, bourbon, craft cheese, and a punch-making competition between six local bartenders. Get more information and register here. [EaterWire]

MIDTOWN— RA Sushi's Mardi Gras celebration on Tuesday, February 12, includes spicy specials and New Orleans-inspired cocktails as well as a DJ and, of course, bead necklaces. The fun starts at 7 p.m. [EaterWire]