Base planet: Earth
Function: Warrior, ground troup support

Alternate mode: power crane

Weapon: Cyber Key activated Energon Saw

Galaxy Force name: デモリッシャー (Demolishor)

First cartoon appearance: Cybertron episode #14: Race

History:  Back on Cybertron, Mudflap was trained by Landmine and the Autobots. Mudflap was one of the refugee Cybertronian civilians on Earth when he was approached by Starscream and Thundercracker. Mudflap was confused and joined them. Starscream took him to the North Pole and threatened the kids. Mudflap fought against Scattorshot until Starscream froze Scattorshot. The kids used the gun that Mudflap had dropped to send a distress signal to the Autobots. 

Official character text from packaging... 
There's nothing MUDFLAP likes more than demolition. A DECEPTICON agent planted on Earth even before the arrival of the AUTOBOTS, he managed to disguise himself well enough to infiltrate the construction industry. He uses his position to see to it that the projects he works on ultimately fail, collapsing into their foundations, their load-bearing beams mysteriously cut through. Still, as much as he enjoys destroying construction projects, he's only too glad to join the fight once the AUTOBOTS arrive on Earth!

Cyber Key Code: v6t7
Mudflap is one ANGRY dude. When he was back on Cybertron he used to be a boxer, and he would knock out any and all Transformers that stood up to him. He never really wanted to be an Autobot OR a Decepticon but eventually he decided to be an Autobot. But one day his anger, indecision and frustration finally drove him to the dark side and he switched sides! Will Mudflap ever see how evil the Decepticons really are?

Earth Planet: Now under the protection of Jetfire, Scattorshot and the other Autobots, Earth is a front line in the struggle for domination of the universe. With their home world of Cybertron under threat by the super giant black hole left by the destruction of Unicron, the Autobots and the Decepticons have secretly moved their bases of operation to Earth.

STRENGTH: 8
INTELLIGENCE:5.5 
SPEED: 6
ENDURANCE: 6
RANK 5
COURAGE 9
FIREBLAST: 9
SKILL:7.5

Bibliography of significant appearances:
*Cybertron episode #14: Race - Joins Starscream.
*Cybertron episode #19: Ice - Fights Scattorshot.