Swampy (environmentalist)
Swampy is the nickname of Daniel Marc Hooper (born 1973), a British environmental activist. He was involved in a number of environmental protests in the 1990s, becoming nationally famous after spending a week in a tunnel aiming to stop the expansion of the A30 in Fairmile, Devon, in 1996.
Source: Wikipedia — Swampy (environmentalist) (CC BY-SA 4.0)