Well we've got a thread about Leela, how about one focusing on that less than popular of companions of Tom's, Adric played by Matthew Waterhouse. It's known that Tom didn't get on terribly well with Matthew but I always thought that was something rather unique about the relationship between The Doctor and Adric. It's especially noticeable in The Keeper of Traken and Logopolis where the Doctor at times seems almost fatherly towards the boy and Adric clearly looks up to the Doctor (in more ways than one!) Adric is a pretty tragic character too, with his brother having been killed (and of course with his later demise)and is clearly an outcast and loner and he always seems very isolated and awkward. I do think his rapport with Tom is much better than with Peter Davison and the character acts very differently with Tom and Peter. This could be because Tom was his idol and he probably found him rather intimidating whereas when Peter Davison came along he was the new boy and a very different personality.
Anyway, what are people's thoughts on the boy from Alzarius?