whatnot

n. anything, unspecified item; set of open shelves

Anything Muppets are 'empty' Muppet heads. Facial features, bodies and clothes can be added to make any kind of character. A similar group of puppets known as Whatnots appeared on The Muppet Show. During the first seasons of Sesame Street, they were known as "The Anything People" who could be anything they wanted. Usually the actors would turn them into different characters. This concept was abandoned after a few seasons, although every once in a while an Anything Muppet character would take off his nose or lose his moustache.
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(n.)
A kind of stand, or piece of furniture, having shelves for books, ornaments, etc.; an etagere.
  

Noun
1. miscellaneous curios
(synonym) bric-a-brac, knickknack, nicknack, knickknackery
(hypernym) curio, curiosity, oddity, oddment, peculiarity, rarity