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?

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

McDonald’s famous Shamrock Shake is back in stores, about a month ahead of St. Patrick’s Day. But this year is extra special: To celebrate, the 85-year-old fast food chain is bringing back a green ...

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

Saturday’s beatdown of the New York Knicks was probably the most I’ve laughed while watching a Boston Celtics game all season. Well, maybe not as much as I did on ring night, which was also against ...

After disappearing from the public eye for roughly 40 years, Grimace’s Irish, green, Shamrock Shake-slinging uncle has returned to McDonald’s. Uncle O’Grimacey, who was introduced as a ...

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

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

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

Uncle O’Grimacey hasn't been seen since the mid-1980s.

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

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