- M121 Mason is a character from the Generation 1 continuity family.
A 10-inch scientist vs. a 40-ft. Autobot...a tad one sided, don't you think?
M121 Mason is a Microman scientist who researches natural phenomena. The Micromen are 10 centimeter aliens from the planet Micro Earth. He appears to have a variety of energy-related abilities, producing energy spheres and an energy shield in battle. Mason is also equipped with a jet-pack and wields a blaster of variable strength. Finally, he can summon the giant robot Robotman during battle, riding in its chest while it's active.
Fiction
DreamMix TV: World Fighters
As part of DreamMix TV's attempt to pull in more ratings, Mason was invited to battle bunches of other beings, including Optimus Prime and Megatron on the television show World Fighters. DreamMix TV: World Fighters