Board Thread:General Discussion/@comment-7264949-20160902223512/@comment-29555595-20161002002354

Regularman25 wrote: Who's that mysterious Pops-like character at the end? Probably the Greater-Scope Villain/Bigger Bad of the entire Regular Show series, here's a hint, Pops asks Carl who sent him in his dreams for his address, and Carl replied, "You did", meaning the villain is an evil version of Pops, who knows, maybe they might show an episode about it