The Technodrome is the semi-spherical tank-like metallic mobile subterranean fortress of Krang and Shredder, the main villains in the 1987 Teenage Mutant Ninja Turtles cartoon, the Archie comics Teenage Mutant Ninja Turtles Adventures comics and most TMNT video game adaptations. The Technodrome was also central to the plot of the 2009 Turtles Forever movie. It is absent from any other Turtles media and literature.
Read more about Technodrome: History, Design Features, Technodrome in Videogames