These two are second in command to Charles the weasel.
Jack is the muscle of the two. He can lift skyscrapers and throw them like spears. He can also use dark matter blasts to vaporize his foes, but the energy comes from his life force.
Carl is the brains of the two. That eye-patch is no there because he's hurt, but because there is a laser beam under it. He is a cyborg and he can scan for an opponents weakness.
This is their boss theme.