Lowly Worm is a Busytown resident and Huckle Cat's best pet/friend.
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 the early series Richard Scarry's Best Videos Ever until The Busy World of Richard Scarry and Busytown Mysteries.
- In The Busy World of Richard Scarry, he frequently breaks the fourth wall.
- Lowly announces every episode title of Busytown Mysteries.
- He wears a Tyrolean hat, a brown or red shoe on the end of its tail, a blue and green tube on his body (intended to resemble a sleeveless shirt and one-legged trousers) and a red bow tie.
- He rides in the apple that looks like a helicopter.
- His skin colors are light, plain or dark brown, pink, orange, peach or gray.