I for one welcome our new X overlords
Variants of this phrase with various values of X came into common use in 2002-2003, generally used to suggest that whatever party referred to as the new overlords is deeply evil. In the original Simpsons episode (#96, Homer In Space) X = "insect" and th line is part of a speech in which a smarmy newscaster expresses his willingness to collaborate with an invading race of giant space ants.