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 ...

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 ...

Helping to welcome the Shamrock Shake back to menus are Grimace and his uncle, Uncle O’Grimacey. The reunion sheds light on the peculiar circumstances surrounding the Shamrock Shake’s creation ...

You know how it is when you lose touch with relatives? 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 ...

A large four-armed purple monster who initially rose to fame in McDonaldland for stealing milkshakes and Cokes before adopting a softer personal as a rather clumsy but amiable character ...

The company announced Tuesday that Uncle O'Grimacey - the green-hued uncle of fan-favorite character Grimace - would be making a 'special Shamrock visit.' A video posted on the company's social ...

A large four-armed purple monster who initially rose to fame in McDonaldland for stealing milkshakes and Cokes before adopting a softer personal as a rather clumsy but amiable character, Grimace is ...