In logic, an argument is sound or unsound based only on itself, not upon the character of whomever utters it!

In the 2002 film, Maid in Manhattan, Jennifer Lopez's character utters the phrase "86 the coat.

At one preview screening of her most recent cinematic outing, "Sliver," Ms. Stone's character uttered the film's final line of dialogue, "Get a life!"

Either character might be uttering the words.

His expression is so ingenuous and his blue eyes so clear that not one of the many epithets this character utters seems mean-spirited.

Baldwin's character, Animal Mother, uttered the identical admonishment to Rafterman in Full Metal Jacket.

This character never utters a word and his face is never seen during any of both the TV and movie paths of the entire game.

Rist's character, Oliver, uttered the final line of the final episode, but the character was subsequently omitted from all future original-cast revivals of the series.

The main character, Shi Duyao, often utters a catchphrase "jidut".