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 ...

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

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

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

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

McDonald’s is bringing back its beloved Shamrock Shake with the help of an old friend. The minty green milkshake will return ...

McDonalds is bringing back two iconic favorites to celebrate the 50th anniversary of its Ronald McDonald House charity.

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.

A large four-armed purple monster who initially rose to fame in McDonaldland for stealing milkshakes and Cokes before ...

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