McDonald's is bringing back its iconic Shamrock Shake — with the help of a beloved mascot's relative! McDonald's said Shamrock Shakes will return to participating restaurants on Monday, Feb. 10, the company said in a news release on Tuesday.

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

The Shamrock Shake is back at McDonald’s—and so is Grimace’s Irish uncle, Uncle O’Grimacey. And yes, there’s already merchandise available. Nostalgia is an easy way to draw eyes to whatever product you’re pitching to consumers,

Shamrock Shake season is here and McDonald's is celebrating the family tie to the favorite seasonal frozen dessert. With the help of Uncle O'Grimacey and Grimace, RMHC will get some extra support this year.

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