Misc: who was king arthur's court wizard?

Questions

Who played Blott in the tv version of Blott on the Landscape?

Which insect chews into wood to make a nest?

What is the name of the bell inside the clock tower at the houses of parliament square?

What appreciation society calls its members The Sons of the Desert?

What do you call a three line japanese verse of 5,7 and 5 syllables?