Croctobot

Croctobots are a Cybertronian subspecies from the Robots in Disguise portion of the Aligned continuity family.

Croctobots have primary modes reminiscent of Earth's crocodilians. They include the Decepticons Skullcruncher and Razorgrille.

Fiction

IDW Robots in Disguise comic

Skullcruncher and Razorgrille were among the Decepticons imprisoned aboard the Alchemor, and was freed when the ship crashed on Earth. They found themselves worked as henchbots to Cybercomrade Sect leader Overhead as she attempted to build a space bridge. However, the pair was captured by the Autobots, placed in stasis pods, and returned to Cybertron on Ultra Magnus's ship. Robots in Disguise #4