McDonald's said Grimace rediscovered the original Shamrock Shake recipe, inspiring him to reconnect with Uncle O’Grimacey. The green-clad McDonaldland character traveled from Sham Rock ...

Grimace and Uncle O’Grimacey are welcoming the Shamrock Shake back to restaurants nationwide on Monday, Feb. 10 Sabrina Weiss is the Editorial Assistant of PEOPLE's food department. She writes ...

Uncle O’Grimacey, Grimace’s Irish uncle, might not be as popular as his purple nephew, but he plays an important role in McDonald’s Shamrock Shake history. The St. Patrick’s Day character ...

McDonald's is leaning on customers' nostalgia for its McDonaldland characters to spur sales of its Shamrock Shake. The company said Tuesday that Grimace will reunite with his Irish uncle ...

Uncle O'Grimacey debuted in 1975, five years after the Shamrock Shake first hit the McDonald's menu. Shaped like Grimace, with a round body and short arms and legs, Uncle O'Grimacey is all green ...

After four decades, Grimace's long-lost Irish relative Uncle O'Grimacey is back at McDonald's with the Shamrock Shake just in time for St. Patrick's Day. The beverage debuted 55 years ago and now ...

WASHINGTON — McDonald's is bringing back one of its fan-favorite seasonal offerings, along with a character that hasn't been seen in decades. The Shamrock Shake is returning to participating ...

After disappearing from the public eye for roughly 40 years, Grimace’s Irish, green, Shamrock Shake-slinging uncle has returned to McDonald’s. Uncle O’Grimacey, who was introduced as a ...