Carlocks are the antagonists that appeared in the episode "Journey to the Bottom of the Crash Pit." The Carlocks are an unknown underground species that are the first and last of their mighty underground race, according to their leader. The group resemble a tribe as they have a leader and a small group of only six members. The Carlocks live on the gifts that are given to them by the sky people, however Rigby reveals that there are no sky people, but that it was him and the others who crash cars into the Crash pit.