Trudy (Hedgehog)

Trudy is Willow's 2nd pet hedgehog that Joy asked Jerome for after she thought she threw away Victor, Her other Hedgehog. Jerome agreed to get another hedgehog for Willow.

Fleas
Trudy (The Hedgehog) is a cause of the Anubis Fleas (aswell as Victor the hedgehog) which cause some of the Anubis students to leave school so they don't spread.

Victor (The Hedgehog)
When Willow gets Trudy the hedgehog she thinks its Victor the hedgehog that she thought Mara used for a school project. Then she finds the real Victor but thinks its another hedgehog who she names Trudy. After finding out that she caused the fleas. Willow sets the Hedgehogs free. Then Trudy finds out about the hedgehogs and get's annoyed which cause Willow to get upset.