Name the artist/band: The First Cut Is The Deepest?

Questions

on mork & mindy, who was the leader of the friends of venus?

on porter waggoner's show, who was his first singing partner?

on 'southpark' what usually happens to kenny?

on the cartoon show 'the jetsons', how old is judy?

on 'the flintstones' who is barney & betty rubble's son?