Lowly Worm is a Busytown resident and Huckle Cat's best friend.
He was first appeared in "Richard Scarry's Chuckle with Huckle."
In The Busy World of Richard Scarry, he was voiced by Keith Knight.
In Busytown Mysteries, he was voiced by Paul Wensley.
- He did not speak in Richard Scarry's Best Videos Ever until The Busy World of Richard Scarry.
- In The Busy World of Richard Scarry, he frequently breaks the fourth wall.
- Lowly announces every episode title of Busytown Mysteries.
- Lowly's voice is sounded like Moose A. Moose from Noggin.