| Go! Carpenters!|
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After the Fist, Hair, and Jaw Primevals were defeated by King J-der, all 28 remaining Primevals arrived at the Earth via E.S. window. Their bodies were destroyed by a solitary wave created by the Mic Force and their cores were scattered across the earth. Kidneys's core remained dormant until Pagliaccio and Arm transported the remaining cores to Jupiter. Kidneys merged with one of Jupiter's moons to ambush the J-Ark, and later 3G. In this form, Kidneys was capable of launching a massive volley of missiles. Kidneys was defeated by King J-Der,s J-Quath. Knee then telekinetically used Kidneys's debris to destroy several Mic Sounders units.