Edmund Blackadder who shot Harold II at The Battle of Hastings. Blackadder is a genuine surname, its usage in the UK currently documented back to the 15th century, which may explain the choice of the name, with the first series being set in this time period. The name is thought to be mostly Scottish in origin, which is not contradicted in the series, as the first Blackadder begins as the Duke of Edinburgh. In the third series it is revealed that a branch of the Blackadder family is a significant clan in Scotland, although they have become known by the name MacAdder.
Blackadder may make that difficult. At the end of "Blackadder Rides Again", Robinson asked Tim McInnerny if he would do another series and he responded "no", because he thought people would not want to see them as they are now and would rather remember them for how they were. In the same documentary, Rowan Atkinson voiced his similar view; 'Times past; that's what they were!' However, Miranda Richardson and Tony Robinson expressed enthusiasm towards the idea of a series set in the Wild West, whilst John Lloyd favoured an idea for a series with a Neanderthal Blackadder. Lastly, Stephen Fry suggested