Lego Space Space subtheme in which the entire theme is "good", "bad", or "civilian". Life on Mars is a space theme released in 2001, around a time of increased curiosity about the red planet. The theme revolved around the concept of the lifeforms that could possibly exist on Mars. This was the first Space theme to feature two types of minifigures: human astronauts and Martian aliens. The sets denote peaceful coexistence between the two species on the planet Mars. The "Life on Mars" theme pioneered several unique aspects in Lego in general. It was the first Lego theme to utilize a pneumatic
Mongo (fictional planet) Mongo (fictional planet) Mongo is a fictional planet where the comic strip (and later movie serials) of "Flash Gordon" takes place. Mongo was created by the comics artist Alex Raymond in 1934, with the assistance of Raymond's ghostwriter Don Moore. Mongo is depicted as being ruled by a usurper named Ming the Merciless, who is shown as ruling Mongo in a harsh and oppressive manner. The planet is depicted as being inhabited by different cultures, and having a varying ecosystem. The technology of these cultures varies from groups at a Stone Age level, to highly technologically advanced peoples. At the