The Toad

The Toad (voiced by Ian McKellen) is the main antagonist of Jaden gets Flushed Away. The Toad was once the favorite pet to a young prince at Buckingham Palace, until the day the prince recieved a pet rat, and replaced him with The Toad and flushed him away. Now The Toad seeked revenge on all rats and planned to have them all be flushed away in the sewers and repopulate the city with tadpoles. But his plan was foiled by Roddy and Jaden.

Trivia

 * The Toad is Grundel's English cousin.