After four decades, Grimace's long-lost Irish relative Uncle O'Grimacey is back at McDonald's with the Shamrock Shake just in time for St. Patrick's Day.

Stream 'The Wacky Adventures of Ronald McDonald: The Legend of Grimace Island (1999)' and watch online. Discover streaming options, rental services, and purchase links for this movie on Moviefone.

The Wacky Adventures of Ronald McDonald Collection Seven animated short films (1990-2003) featuring Ronald McDonald and McDonaldland pals in whimsical, standalone adventures.

Singer-songwriter John Legend hosted a 50 Years of Ohana event at the Ronald McDonald House in Hawaii for the nonprofit’s anniversary celebrations.

Grimace celebrates his birthday June 12, which means it's nearly time for the celebration of Grimace Shakes at McDonald's.

When McDonald’s released the Grimace Birthday Meal on June 12, it didn’t anticipate tainting the reputation of its once-lovable, globular-shaped mascot. At the forefront of the special ...

Why is the internet obsessed with McDonald's furry purple mascot Grimace? Here's how a birthday promotion became a social media sensation.