(Frank Oz, the original voice of Cookie Monster, has claimed the nickname was solidified after a sketch called “The Mr. and Mrs. Game,” as he once told NPR. In it, a blue Muppet wins a game ...

He then debuted on "Sesame Street" as Cookie Monster, a much bigger Muppet with blue fur, no teeth, and a floppy, expressive body. From then on his design has mostly stayed the same, but his mouth ...

It's called the blue hairy frogfish. Being unable to swim and looking like the iconic Muppet character, the Cookie Monster, are just two strange things about this fish. But it also has a deadly ...

Ameera, 8, is a neon-green, pony-tailed muppet monster designed as part of Sesame Workshop's initiative to provide early childhood education to children affected by global crises around the world.