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?

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

Helping to welcome the Shamrock Shake back to menus are Grimace and his uncle, Uncle O’Grimacey. The reunion sheds light on the peculiar circumstances surrounding the Shamrock Shake’s creation, a ...

Alijah Arenas’ family is a basketball family. So when Chatsworth High School honored him Tuesday with a McDonald’s ...

A 14-year-old has been arrested in the fatal stabbing of a young teen during a brawl inside a Queens McDonald’s, police said.

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

Before long, McDonald’s took the idea and spread it around to other McDonald’s across the U.S. By the time McDonald’s founder Ray Kroc wrote his memoir Grinding It Out a decade later, the Shamrock ...

"Blue Bloods" star Tom Selleck stepped out solo for a meal at a McDonald's drive-thru the day before celebrating his 80th birthday with his wife Jillie at a dinner with family and friends.

Sudbury resident Paula Wright and her son, Don Jr., own 16 McDonald's restaurants in Massachusetts and New Hampshire.