Grimace, the big purple milkshake fiend, is back in the spotlight—and this time, he’s bringing his long-lost Irish cousin, Uncle O’Grimacey, along for the ride. As of March 2025, these ...

Like Grimace, Uncle O’Grimacey is an oblong-shaped, fluffy mascot. According to McDonald’s lore, the European relative lives in Sham Rock, Ireland, but visits McDonaldland for family reunions.

Uncle O'Grimacey, Grimace’s Irish green uncle, is back at McDonald’s after 40 years to promote the return of the Shamrock Shake. Here's everything we know.

Uncle O’Grimacey’s return comes after McDonald’s released the Grimace Birthday Meal in June 2023. The meal comes with the choice of a Big Mac, 10-piece Chicken McNuggets, fries and a berry ...

Oh well, Grimace laughed!), Uncle O’Grimacey will be touring the country with shakes in hand, championing support for Ronald McDonald's House Charity families. And he's making helping fun.

Uncle O'Grimacey, Grimace’s Irish green uncle, is back at McDonald’s after 40 years to promote the return of the Shamrock Shake. Here's everything we know.

Uncle O’Grimacey first debuted in 1975 — just five years after the Shamrock Shake was first introduced to the menu. McDonald's. He is shaped like Grimace — a round, plump body with short ...

A long-lost McDonald's character named Uncle O'Grimacey is back—and so is the urban legend and IRA jokes surrounding his disappearance.

In the first McDonald's ad that stars Uncle O'Grimacey, Grimace tells Ronald McDonald that he is distraught because he doesn't have a gift for his uncle who is visiting from out of town (Sham Rock ...

McDonald's brings back Uncle O'Grimacey, ... “While the rest of the Grimace family lives in McDonaldland, Uncle O’Grimacey resides on a small island off the coast of Ireland called Sham Rock.

McDonald’s is bringing back Uncle O’Grimacey for the first time in decades to herald the return of the seasonal Shamrock Shake, per details shared with Marketing Dive. In social media videos ...