Ahuizotl has a tuxedo-style coat, having dark blue fur over most of his body, while his stomach, jaws and hands are of a lighter blue.
Ahuizotl wears golden colored jewelry, such as a necklace, a single ear ring, and three bracelets, one for each foreleg, and one around his tail's wrist. Bite-acudas are ravenous piranha-like fish with wings and long fangs that appear in the season eight episode Non-Compete Clause.
Cerberus is a giant three-headed dog that appears in It's About Time and Twilight's Kingdom - Part 2.
According to Twilight, Cerberus is responsible for guarding the gates of Tartarus and that, with Cerberus away from Tartarus, the "ancient evil creatures" imprisoned there could escape and destroy Equestria.
After it escaped, the agency was disbanded, and Sweetie Drops went into hiding under the assumed name "Bon Bon".