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

A McDonald's character who hasn't been seen in decades is returning to promote the fast food chain's seasonal Shamrock Shake ...

Enjoy a Shamrock Shake: For every Shamrock Shake purchased from Feb. 10 to Mar. 23 at participating McDonald's, 25 cents will ...

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

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

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

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

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

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

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

McDonald's Shamrock Shakes are back in Michigan, with upcoming Ronald McDonald House Charities donations. Here's what to know.

McDonald’s is bringing back its beloved Shamrock Shake just in time for St. Patrick’s Day, and New Yorkers won’t have to wait ...