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

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

McDonald's is leaning on customers' nostalgia for its McDonaldland characters to spur sales of its Shamrock Shake. The ...

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 ...

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

Uncle O’Grimacey hasn't been seen since the mid-80s.

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 popular Shamrock Shake yet again, this time accompanied by the fast-food chain’s Uncle ...

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

Together, Grimace and Uncle O’Grimacey are supporting Ronald McDonald House Charities (RMHC) and their mission to keep ...

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