music: who sang "don't let the sun go down on me" with elton john?

Questions

on 'mad about you', paul & jamie's baby was named mabel. what does it stand for?

on mork & mindy, what was mindy's last name?

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?