The ability to become a caveman. Variation of Human Physiology.

Also Called

  • Caveman Mimicry/Physiology
  • Cromagnon Physiology/Mimicry
  • Homo Neanderthalensis Physiology
  • Neanderthal Mimicry
  • Proto-Human Physiology
  • Stem-Human Physiology
  • Troglodyte Physiology


User with this ability either is or can transform into a Neanderthal, an extinct species or subspecies of the genus Homo which is closely related to modern humans. They weren't anatomically much differed from modern humans, aside the fact they had a more robust build and distinctive morphological features, especially on the cranium. Evidence suggests they were much stronger than modern humans and they were also not much shorter.




  • User may possess low intelligence, but may be able to learn.

Known Users

  • Grug (The Croods)
  • Eep (The Croods)
  • Guy (The Croods)
  • Ugga (The Croods)
  • Gran (The Croods)
  • Thunk (The Croods)
  • Sandy (The Croods)
  • Harrison Oogar (Marvel Comics)
  • Raa (Marvel Comics)
  • Kru'll the Eternal (DC Comics)
  • The Cavern (Cavern - Film)
  • Fred Flintstone (The Flintstones)
  • Wilma Flintstone (The Flintstones)
  • Barney Rubble (The Flintstones)
  • Betty Rubble (The Flintstones)
  • Pebbles Flintstone (The Flintstones)
  • Bam Bam Rubble (The Flintstones)
  • Captain Caveman (Hanna Barbara)
  • Citizens of Bedrock (The Flintstones)
  • Jack O'Neill (Stargate SG-1); briefly
  • Samantha Carter (Stargate SG-1); briefly
  • Daniel Jackson (Stargate SG-1); briefly
  • Link (Encino Man)
  • Java the Caveman (Martin Mystery)
  • Gnarrk (Teen Titans)
  • Caveman "Bob" Cooper (Sly Cooper: Thieves in Time)
  • Vandal Savage (DC Comics)
  • Id (Duck Dodgers)
  • The Clan (Earth's Children)
  • Koda (Power Rangers Dino Charge);
  • Bubba the Caveduck (Ducktales)