"It’s tough to be grumpy at this coffee shop that hails from Brooklyn. Serving a selection of espresso-based drinks, cold brew, organic teas, juices, and seasonal beverages—that are all kosher certifi…

"Instantly recognizable thanks to their unique logo, Cafe Grumpy has uncovered marketing gold. A less than thrilled caricature adorns their cups and coffee shops drawing in New Yorkers into their 1…