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

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

McDonald’s is days away from officially launching the return of a seasonal favorite: the Shamrock Shake. The celebratory St. Patrick’s Day drink will arrive on Feb. 10, just over a month before the holiday arrives.