I'll never buy RTD's bullshit that Astrid, Jackson Lake and Rosita (???) are companions though. Just dumb.
I don't have a problem with Astrid; she clearly would have been, had she not died.
I thought what RTD said about Jackson Lake was that the Doctor was his
And Adelaide Brooke? Absolute not a companion. If she is, then so is Clent from "The Ice Warriors."