[rjsw]

Better prior art [1], in an actual election.

[1] https://en.wikipedia.org/wiki/Stuart_Drummond

[manarth]

Also members of the Original Monster Raving Loony Party, who have achieved multiple seats, including Mayor of Ashburton.

https://en.wikipedia.org/wiki/Official_Monster_Raving_Loony_...

[lproven]

Still no: "Lord Buckethead" first stood in 1987, some 15 years before the "H'Angus the monkey" campaign in 2002.