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 ...

Feb. 4. The chain will donate 25 cents per shake to local chapters for Ronald McDonald House Charities (RMHC). To help the St. Patrick's Day treat return, Grimace is reuniting with his long-lost uncle ...

because it brings with it the resurrection of a long-dormant bit of McDonald’s IP: Uncle O’Grimacey, the fuzzy green mascot who, according to McDonaldland lore, is the rarely seen uncle of the purple ...

McDonald's He is shaped like Grimace — a round, plump body with short legs and arms — but is all green and wears a hat, shamrock-adorned vest and walking cane. Uncle O’Grimacey disappeared ...

However, some McDonald's locations may have Shamrock Shakes as early as today, Feb. 4. Will Shamrock Shakes be at McDonald's permanently? No, they will only be at locations around ...

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

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

McDonald's announced when the Shamrock Shake will return. Here's what to know including what it tastes like, ingredients and how many calories it has.

In the lead up to Valentine’s Day, McDonald’s announced it’ll be selling a new stainless-steel tumbler inspired by the purple and yellow McDonaldland character Grimace — but only in Australia.

He is a relative of the purple McDonald's character known as Grimace, who first appeared in a commercial for the chain in 1975. "Uncle O'Grimacey is a green grimace," McDonalds.Fandom.com stated.