Farewell Avon

I noticed that Paul Darrow was trending on Twitter this evening, and sadly, it is because he has died. He was 78.
Paul Darrow was most famous for his role as Avon in Blake's Seven - he had all the best snarky lines.
He was also an excellent villain in the audio drama Minister of Chance, in a cast that also included Paul McGann and Sylvester McCoy.
On stage, he played Commander Vimes in the adaptation of the Discworld book Guards! Guards!
He was also part of UNIT in Doctor Who, in Doctor Who and the Silurians (as Captain Hawkins), and in the 80s he returned to the series in the story Timelash.
He was the Sheriff of Nottingham in the 1975 BBC version of Robin Hood (and was one of the best things about the series!).
He was also in the Lord Peter Wimsey mystery Murder Must Advertise.
[Edited to add: I completely forgot he also played Cromwell in The Adventures of Luther Arkwright, the graphic novel by Bryan Talbot which was adapted into an audio drama with David Tennant in the title role, by Big Finish]
He played many other parts as well - but this is the moment I'm thinking of right now....