He described his unique, laconic voice as being "the way a shaggy dog looks.
Cartwright describes Bart's voice as easy to perform compared with other characters.
She described Brett's voice as "strained," which was a definite help to the suicide theory.
"I wouldn't necessarily use the word dulcet to describe my voice all the time, so I wanted other readers to break it up."
It is the best I can describe his guttural, unpleasant voice.
Contemporary accounts describe his voice as warm, smooth and evenly produced.
Critics have described his voice as "having a maturity that belies his age".
That wasn't the way he used to describe her voice.
He was not helpful in describing his own musical voice, always a hard thing for a creator to do.
"I'd describe my voice as a lyric tenor with versatility," he said.