Well, don't let all that Grimace-induced guilt get the better of you, because McDonald's is giving you a chance to make up for it this month by celebrating the odd purple blob's birthday in a big way.

If you've been to McDonald's recently, you might have noticed that they're celebrating a birthday for a very odd, purple blob monster. Well, it's the Grimace's 52nd birthday, and the fast food joint ...

Birthday’s at McDonald’s have been a part of so many people’s childhood memories over the years. Now it’s time to celebrate the birthday of one of their own. Longtime mascot Grimace has announced his ...