Nouns

(n)utterer, vocalizer, vocaliseran organism that can utter vocal sounds“an utterer of foul oaths”, “is the giraffe a vocalizer?”
(n)utterersomeone who circulates forged banknotes or counterfeit coins
(n)speaker, talker, utterer, verbalizer, verbalisersomeone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous)“the speaker at commencement”, “an utterer of useful maxims”