Devastator is the combination of the six Decepticons who are known as the Constructicons.

The Constructicons (in vehicle form) resemble six different construction vehicles.

They are:

While the six Constructicons separately are not overly powerful compared to other Decepticons, their power when combined into Devastator is greatly increased making Devastator one of the more feared Decepticons.

In comics, the animated television show and animated movie, the Constructicons are often in battle with the Autobots known as the Dinobots. They have a deadly rivalry with the autobot Omega Supreme.

Combinations

Bonecrusher---Forms the left arm of Devaststor.

Scrapper------Forms the right leg of Devastsor.

Scavenger------Forms the right arms of Devastsor

Hook--------Forms the head and shoulders of the Devastator

Long Haul------Forms the lower torso of Devastator

Mixmaster------Forms the right leg of Devastator