Misc: what is the main constituent metal of the singapore 10-cent coin?

Questions

on "charlie's angels", who was the voice of charlie?

on captain midnight, what was ichabod mudd's nickname?

on 'gilligan's island' mrs. howell's maiden name was what?

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?