K'Kree & Hivers?

A while ago I asked a question which no one picked up.

Now maybe it wasn't a very interesting question, but the lack of traffic may
indicate a possible answer.

The question was:  Has anyone ever used K'Kree or Hivers successfully as
player characters or even NPC's?

If no one answered, am I to surmise that No one uses them successfully,
actually, that Would be my guess...

Mr. Scott