Ollie is a recurring character in the Wonder Pets! series.
Ollie is a bunny who longs to save animals like the Wonder Pets. He has known the pets since they were much younger and was the first animal they saved together. Whenever Ollie tries to help with a rescue, he inadvertently causes trouble and ends up needing to be saved himself. Ollie has a habit of calling Linny "Pig," to which she always responds, "Guinea pig."
Ollie has light gray and white fur. His eyes are blue and his ears are pink.