- He is one of the few characters to wear a hat.
- He is also one of the few characters with irises.
- He does have buckteeth like normal characters, although they are at the end of his nose. Furthermore, he is the only character with a golden tooth.
- He seems to have his own theme song.
- The Rat, by his look, resembles the character in classic cartoon "Spy vs. Spy", also resonates with the theme of this episode, with him most likely representing the black spy (they're both black).
Kills and Deaths
- The Rat is the only character The Mole has intentionally killed.