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

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

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

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

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

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

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

In social media videos, purple mascot Grimace visits Ancestry.com and discovers a connection to his Irish uncle.

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

McDonald’s fans, brace yourselves because the food chain is about to reintroduce its seasonal classic—the Shamrock Shake.

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