Crablogger is a British subject on Wikipedia, whose username is derived from the supermachine of the same name featured in one episode of Thunderbirds.

Crablogger's Wikipedia account first came into being on June 7, 2006, and after a shaky start, Crablogger began contributing to the site.

As of May 10, 2009, Crablogger is a member of the 19th century task force for WikiProject Novels.