Liz Ard

Liz is Ms. Frizzle's pet lizard. She is seen in a lot of the episodes and has sometimes been the focus of one.

Trivia

 * She bears a heavy resemblance to a Jackson's Chameleon.
 * She talks in three computer games.
 * She is the most seen pet in The Magic School Bus.
 * In In a Pickle, her full name is mentioned to be Liz Ard.
 * In Spins a Web, the class refers to her as a female.
 * She was the main focus of the episode Cold Feet.
 * Liz is shown to know how to operate the bus' key in Revving Up.