The common housefly is a minor character in The Backyardigans.
The fly is a common house pest easily identified by the members of Best Pest Control. It can be seen during the backyard sequence of "What's Bugging You?"
The housefly is mostly black with six legs. It has clear wings and large eyes.
The fly is first mentioned in "Catch That Butterfly" from season two. It appears later in "What's Bugging You?" from season three.