Answer:

voicer

Answer	Crossword Clue
VOICER	Mel Blanc, e.g.
VOICER	Speaker
VOICER	One who expresses an opinion

VOICER	One who speaks up
VOICER	Person speaking

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.