This Nux vinyl figure is released by Funko in their POP! Animation x Attack on Titan vinyl figure series.
Funko POP! is a crossover vinyl figure series by Funko and other famous franchises such as Disney, Pixar, DC Comics, Marvel Comics, Simpsons, South Park, Uglydoll, etc. Each POP! figure is about ~3" to ~5" tall and crafted in a Japanese anime/manga super-deformed style (NOTE: due to the unique design of each character, the actual size of the figures may be smaller or bigger than stated).
The POP! Movies x Mad Max: Fury Road features characters from the 2015 action film. The film is set in a post apocalyptic desert wasteland where gasoline and water are scarce commodities. It follows Max Rockatansky, who joins forces with Imperator Furiosa (Charlize Theron) to flee from cult leader Immortan Joe and his army in an armoured tanker truck, which leads to a lengthy road battle.