Crossword puzzle clue "twice as much for a nickel sloganeer once"

"Twice as much for a nickel" sloganeer, once

Danish astronomer who was exhumed twice, once to examine the causes of death and once to identify the material of his artificial nose

Twice less than twice

"Ask about it at work" sloganeer, once

"Your airline in Hawaii" sloganeer, once

"Get a little closer" sloganeer, once

"Never follow" sloganeer, once

"We Try Harder" sloganeer, once