Chris Kattan, French Stewart and Meredith Roberts have signed on to the Fox animated comedy, Two Dreadful Children.

From Dave Hemingson, the film revolves around a redneck family that discovers that their two horribly disobedient fraternal twins are geniuses. The Hollywood Reporter adds Kattan and Stewart will voice their neighbors; Roberts will voice one of the twins.

No word on production for Two Dreadful Children.