Yes, Test Tube is a girl.
According to the provided reference, Test Tube, also known as The Nerd, was a female contestant on Inanimate Insanity II. She was part of the team The Bright Lights and finished in 5th place overall. This confirms that Test Tube is indeed a female character.
| Character | Gender | Show | Team | Final Placement |
|---|---|---|---|---|
| Test Tube | Female | Inanimate Insanity II | The Bright Lights | 5th |
