Mixmaster is a Decepticon from the Transformers: The Movie franchise.
To be added...
Mixmaster 's only ranged weapon is his cement cannon that is mounted on his back.
Mixmaster (Legends-class toy)
Unlike the Supreme-class Combiner Mixmaster, this Mixmaster has a robot mode, a vehicle mode, and a Devastator combiner mode.
Mixmaster (Voyager-class toy)
This version of Mixmaster only has a vehicle mode and a robot mode. He Transformers into a Heavy Duty Cement Mixer. His cement barrel become's a spring loaded missile launcher in robot mode.
Devastator Combiner Mixmaster (Combiner Part)
This version only has a vehicle mode and a Devastator combiner mode.