O’Grimacey is described in McDonald’s press materials as “joyful,” “generous,” “iconic,” and, of course, “green.” A special line of O’Grimacey merch is now available for ...

[Photo: McDonald’s] *After nearly 50 years, McDonald’s is bringing back Uncle O’Grimacey, the long-lost green mascot who originally promoted the Shamrock Shake in the 1970s. First ...