Big Dumb Body

When you're a titanic, mutated beast of destruction, and a bandicoot can possess you via piggy back riding, you're a B.D.B.

A type of controlled Host that is chosen for physical prowess and ability rather than anything else (usually also being simple minded enough that possession works without a hitch, although you don't need to be smart to have a strong will...)

Regarding possessors, a Symbiote is an example where the host is usually the bigger and more physical of the two (or more) involved, as opposed to the parasite. While a Demonic Possession usually has the opposite, where the demon is the source of the host's strength and power, however, a B.D.B. possessed by such an entity becomes a Living Bodysuit.

Most B.D.B's are Giant Mooks or even bodyguards who are forced to take the blame for killing their charge after the possessor has relieved control (though this can end with the B.D.B also being discretely killed off to further suspicion and/or confusion.)

In some cases, it's safe to state that a B.D.B is a more powerful version of the standard Meat Puppet, though expected to be less common. Contrast The Dividual.

Examples:

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    Comics 
  • The recurring Justice League of America enemy General Eiling transferred his mind into the body of the indestructible Shaggy Man. In this case the host's stupidity became a problem, as Eiling's intelligence didn't survive being forced to use the Shaggy Man's tiny brain.
  • Johan briefly had one in B.P.R.D. before it was killed by Captain Zombie's jaguar demon form. He's been trying with little success to clone a new one ever since.
  • Warstar of Marvel Comics's Shi'ar Imperial Guard is a form of this, consisting of a big guy ridden by a small one half-hidden on his back who does most of the actual thinking for the pair (and also has the ability to dish out electric shocks) — to the point that at least once when he was taken out of action, his bigger partner stopped fighting, too. Oddly, the two seem to be robots, suggesting that somebody may have designed them to embody this trope on purpose.

     Film 
  • Master Blaster in Mad Max Beyond Thunderdrome was a genius midget on a dumb brute's back.
    • "He has the mind of child!"

    Literature 
  • In War of the Spider Queen, Gromph Baenre, the Dark Elf Archmage of Menzoberranzan, once took control of a troll B.D.B to detonate one of several magical traps protecting a Traitor Noble House.
  • Turns out this is why Yeerks enslaved the Hork-Bajir in Animorphs.
    • The Gedds were the only hosts the Yeerks had on their home planet. They were only half of the trope: "dumb" and easily controlled (compared to the Gedds, the Hork-Bajir were as hard to control as Frederick Douglass), but also physically weak by any normal standard. Even the Gedds are far less limited than an unhosted Yeerk (a slug with no eyes or hands, living out its life in a pool), though, so before the Yeerks had the better hosts from other worlds, they were very happy to use the Gedds as their Big Dumb Body.

    Live-Action TV 
  • In Stargate SG-1, the Goa'uld prefer human hosts, by which they can pose as gods, but if they want something more durable they'll inhabit an Unas, a large humanoid that is short on brains but so tough it's nigh-bulletproof.

    Tabletop Games 
  • Dungeons & Dragons (3.5) had an arcane/psionic prestige class called Mind Bender, which allowed characters to eventually gain mind controlled thralls (usually B.D.Bs to balance out the weaknesses of said spellcaster).
  • Vilitch the Curseling, from Warhammer has been magically attached to and overtaken the will of his hulking warrior twin Thomin, who acts as this for him.

     Video Games 
  • The premise of Crash: Mind Over Mutant.
  • Used by Abe in the Oddworld series through the power of Possession.
  • Messiah, revolving around possessing people, naturally features these.
  • The somewhat obscure robotic third-person shooter Metal Arms: Glitch in the System has Mighty Glacier Giant Mook "Titan" enemies who are common targets for Glitch's Control Tether — they're considerably more sturdy than Glitch or most of the enemies faced in the game, and great for plowing through enemy squads, at least while they're free of Subsystem Damage.
  • The alchemist in Dota 2 has one of these which he rides on.
  • As of its Cataclysm expansion, the first example of this trope new players will encounter in World of Warcraft will usually be Helix Gearbreaker, a boss in the Deadmines. Helix is a goblin who fights atop a Lumbering Oaf. Once you kill the Oaf as part of the fight, he'll jump off and start riding on top of the players until defeated.

     Western Animation 
  • Evil Con Carne has the the eponymous Hector con Carne, reduced to a Brain in a Jar, controlling the body of a bear simply by putting the jar with the brain on the bear's head. The bear is clearly technically free to do as it wishes, it's just so spineless it rarely if ever bothers to disobey.