Uncle O'Grimacey, Irish Uncle of Grimace.
|Hair Color:||Green, all over body, sports a green cob hat and cane|
|large anthropomorphic with short arms and legs; Irish uncle of Grimace|
|Appeared in:||Has appeared in McDonald's TV commercial/print ads for the "Irish Green" "Shamrock Shake" that are sold in celebration of "St. Patrick's Day" during the holiday season|
Uncle O'Grimacey is a McDonaldland character. He is Grimace's Irish uncle. He was created for a McDonald's commercial that promoted green shakes, which were called Shamrock Shakes and were available for a limited time around Saint Patrick's Day.[[Video:Mc Donald's Shamrock Shake Commercial|thumb|300px|right|A McDonald's television commercial which features the McDonaldland characters, Uncle O'Grimacey, Grimace and Ronald McDonald.]]