Stephen and Linda Stotch (South Park)

Why they suck

 * 1) For the begginers. Their main issue with them is their habit to grounding butters for pettiest reasons. Notable ones is for making silly face on school photo and for misplacing food in their cupboard.
 * 2) Linda literally wanted to kill butters by drowning him in her car.
 * 3) They killed social worker and wanted to feed butters with her corpse because they thought he was a demon.
 * 4) They falsely thought that butters had a multi-personality disorder,while Butters just played around.
 * 5) Cartman once managed to get them to beat up Butters thanks to him impersonating butters.
 * 6) They sold butters to Paris Hilton,showing that they care about money.
 * 7) When Butters Grandma bullied him,they didn't became suspicious about butters behavior.
 * 8) They often gets away with Butters poor Treatment.