Timmy Twiddlebug

From Muppet Wiki

Timmy Twiddlebug is the son of Thomas and Tessie Twiddlebug. His sister is Tina Twiddlebug.

The Twiddlebug Family first appeared on Sesame Street in Season 5 (1973).

Timmy was first made as a Hot Pink Anything Muppet, but in his later appearances, he was a Small Orange Anything Muppet.

Usually, Richard Hunt used a typical little boy voice (often identical to voices he would use for female characters), which would be even more high-pitched when speeded-up. On a few occasions, Hunt using a normal male-sounding voice, but would still wind up high-pitched when it was speeded-up.