Grimace and Uncle O’Grimacey are welcoming the Shamrock Shake back to restaurants nationwide on Monday, Feb. 10 ...

The company said Tuesday that Grimace will reunite with his Irish uncle, Uncle O'Grimacey, bringing the mascot out of ...

The Shamrock Shake is returning to McDonald's locations nationwide starting on this month, and with it is coming an old ...

Despite his hiatus, the green, furry icon was never forgotten. Uncle O’Grimacey earned his own merch line, called the Uncle O ...

An old-timey McDonald's character is making a comeback this month—and we have all the details below. Can you guess who it is?

Uncle O’Grimacey, the Irish uncle of fuzzy purple fan favorite Grimace, is making his return to the Ronald McDonald universe.

The beloved Shamrock Shake is coming back to McDonald's, along with a McDonald's character no one's seen since the 1980's: ...

McDonald's brings back Uncle O'Grimacey, the beloved green mascot, to celebrate the return of the Shamrock Shake.

McDonald's is bringing back its iconic Shamrock Shake — with the help of a beloved mascot's relative!McDonald's said Shamrock ...

One of the most recognizable holiday treats at McDonald's is making its return, along with one of Grimace's relatives.

Whenever they came to church I would grimace. He seemed wracked with pain. Every step was an effort. Knee, spine... just ...

McDonald's fans, it's time to celebrate! Grimace is back and is bringing the Shamrock Shake along with him this season.