Ground-dwellers of Tangea that often clash with the Tangeans. They can explode things with their minds. Grounder Clay and Grounder Marl are examples of Grounders that live on Tangea. A Tangean Grounder and bounty hunter named Romac, who was Mira's ex-boyfriend, was hired by Zurg to obtain Brain Pod #57. Grounders and Tangeans lose their respective super-abilities when close to each other.