Manbearpig is the single biggest threat to our planet, and may be the end to the human race as we know it. It is a creature which roams the Earth alone. It Is half man, half bear and half pig. Thankfully, we have Al Gore to spread Manbearpig awareness, and help protect us against this threat. In "Imaginationland: Part II", we actually get to see just how deadly this beast is. I'm cereal.