The Four Arms Mutation is a mutated version of the Tetramand DNA sample. He is only available through the Mutatrix.
The Four Arms Mutation includes several different aliens:
- Big Chill: Right wing and left eye
- Blitzwolfer: Upper left arm
- Diamondhead: Lower right arm
- Feedback: Bolt on neck
- Four Arms: Body and upper right arm
- Frankenstrike: Lower left arm and Feedback bolt placement
- Goop: UFO and Mutatrix placement.
- Gutrot: Gas chamber
- Snare-Oh: Left back bandage
- Stinkfly: Left wing