The Grinch has one of the coolest origin stories in Christmas history, and most people don’t even know it. The Grinch first appeared in 1957, in Dr. Seuss’s book “How the Grinch Stole Christmas!” But the idea actually came from something a lot more human — Dr. Seuss admitted he wrote the Grinch after catching himself being in a terrible mood around the holidays. He literally said he looked in the mirror one December morning and saw “a Grinch” staring back at him. Originally, the Grinch wasn’t ev