Popular beast alternate modes
When arriving on Earth, there are millions of animal species a Cybertronian might scan for an Alternate mode. Some genera, however, are extremely popular with Cybertronians.
- (NOTE: For the sake of saving space, characters on this list who share a toy mold are combined into a single line.)
Molluscs
Cephalopods
- Tentakil (G1) / Tentakil (Masterforce) / Tentakil (Energon) / Scylla
- Claw Jaw / Scuba / Ikard
- Tako Tank
- Dead End (BWN)
Arthropods
Insects
Stag Beetles (family Lucanidae)
Rhinoceros beetles (family Scarabaeidae)
Grasshoppers and locusts (order Caelifera)
Spiders
Generation 1 / Beast Era
Black Widow Spiders (Latrodectus mactans)
Animated
Crabs
Scorpions
Generation 1/Beast Era
- Double Punch (G1)
- Pincher
- Poison Bite
- Scorpia
- Scorponok (G1) / Black Zarak
- Scorponok (BW) / Sandstorm / Double Punch (BW)
- Quickstrike (BW) (partially)
- Scorpulator
Unicron Trilogy
Transformers (2007)
Fish
Manta Rays (Manta birostris)
- Seawing//Kraken/Terrormander/Energon Seawing (unreleased)
- Manta Ray
- Depth Charge
Sharks
Great White Shark (Carcharodon carcharias)
- Overbite/Sea Phantom/Energon Overbite (unreleased)
- Cybershark (Transmetal)/Sky-Byte
Hammerhead Shark (genus Sphyrna)
- Cybershark/Hellscream/Overbite
- Air Hammer (partially)
- Hammerstrike
Sawshark (genus Pliotrema and genus Pristiophorus)
Dinosaurs
Tyrannosaurus
Generation 1/Beast Era
Unicron Trilogy
Animated
Triceratops
Generation 1/Beast Era
Unicron Trilogy
Animated
Stegosaurus
Generation 1/Beast Era
Unicron Trilogy
Velociraptor
Generation 1/Beast Era
Unicron Trilogy
Pterosaurs
Pteranodon
Generation 1/Beast Era
Unicron Trilogy
Animated
Dragons
Generation 1/Beast Era
- Megatron / Cryotek
- Deathsaurus (partially)
- Galvatron / Unicron
- Nightscream / Dragoyell
- Savage
- Snapdragon
Robots in Disguise
- Megatron/Galvatron (partially)
Unicron Trilogy
Reptiles
Crocodylians
American alligator (Alligator mississippiensis)
- Skullcruncher / Skull
- Megatron (BW)
- Terragator (partially)
- Soundwave (BW)
Turtles
Snapping turtles (genus Chelydra and Macroclemmys)
- Snaptrap / Turtlar / Halfshell / Snaptrap (Energon)
- Snapper
- Terragator (partially)
Snakes
Cobras (genus Naja and others)
- Cohrada
- Nightviper (even though vipers aren't cobras)
- Cobrabreast
Birds
Eagles (order Accipitriformes)
- Squawktalk
- Eaglebreast
- Silverbolt (Magnaboss) / Skywarp (BW)
- Silverbolt (Fuzor) (partially)
- Dreadwing (Classics) / Wedge Shape
Condors (genus Vultur and Gymnogyps)
Hawks and falcons (order Falconiformes)
Generation 1 / Beast Era
Unicron Trilogy
Mammals
Bats
- Mindwipe
- Nightscream
- Optimus Primal / Onyx Primal
- Ratbat
- Skar / Clouder
- Sonar
- Soundwave (BW)
- Batbreast
Carnivores
Bears (genus Ursus)
Canines
Wolves / Dogs (Canis lupus)
Generation 1/Beast Era
- Carnivac
- Wolfang (Maximal) / Wolfang (Predacon) / K-9 / Max-B
- Weirdwolf
- Sixshot (partially)
Unicron Trilogy
Felines
Jaguars (Panthera onca)
Tigers (Panthera tigris)
Lions (Panthera leo)
- Angela / Dark Eggleo / Eggleo
- Lio Convoy
- Leobreaker / Nemesis Breaker
- Lionbreast
- Leonicus
- Prowl / Lio Junior
- Razorclaw
- Snarl / Alpha Trion
- Steeljaw
- Under-3
- Victory Leo
Pumas (Puma concolor)
- Pounce
- Quickswitch (partially)
Cheetahs (Acinonyx jubatus)
Sabertoothed cat (Smilodon sp.)
Elephants
- Shuffler
- Ironhide (G1) / Ironhide (BW) / Santon
- Big Convoy / Black Big Convoy / Nemesis Prime (Universe)
Odd-Toed Ungulates
Rhinos
Generation 1/Beast Era
- Headstrong
- Ramhorn
- Rhinox
- Stranglehold
- Greatshot (partially)
- Rhinobreast
- Top-Heavy
Unicron Trilogy
Primates
Gorillas (Gorilla gorilla)
Generation 1/Beast Era
Unicron Trilogy
Go-Go-GoBots
