This is discussion archived from a time before the current discussion method was installed.
Janitor: This is cutlisted as duplicate of The Voiceless. The distinction between the two needs to be clarified.
Anonymous Mc Cartneyfan: The Voiceless is someone who in theory can talk, and who may do so off-screen, but who never speaks onscreen (or, at most, once). The Speechless is literally speechless--it can vocalize, but it cannot speak at all.
[Much later] Does this look clearer?
