+ Angry Guard Dog: Underbite resembles some manner of hyper-stylized mecha-bulldog.
+ The Big Bad Wolf: Steeljaw, who has a lupine-like appearance.
+ Frogs and Toads: Springload, a Decepticon with frog-like features.
+ Giant Enemy Crab: Bisk, a Decepticon with a distinctly crustacean look, including eye stalks and snapping claws. Clampdown, on the other hand, is zaidi of a literal example, lacking Bisk's humanoid shape and looking like a straight-up robot crab.
Optimus Prime: Peter Cullen Bumblebee: Will Friedle Strongarm: Constance Zimmer Sideswipe: Darren Criss Fixit: Mitchell Whitfield Grimlock: Khary Payton Jazz: Arif S Kinchen Drift: Eric Bauza Jetstorm & Slipstream: Roger Craig Smith
Underbite: Liam O'Brien Steeljaw: Troy Baker Hammerstrike: David Kaye Bisk: Khary Payton Chop Shop: David Hunt Terrashock: Kevin Michael Richardson Thunderhoof: Frank Stallone