Doctor Mindbender

Dr. Mindbender is an scientist. He may be evil and possibly crazy. aren't they all?

G.I. Joe and the Transformers
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G.I. Joe featuring Snake-Eyes
At the time Cobra of Megatron forming his brief alliance with Cobra, Dr. Mindbender was dead, but Cobra was using Mindbender's own technology to clone a new doctor. Megatron's sensors detected Mindbender's heart had re-started. Upon his return to life, he was mildly dissapointed that Cheers had ended, and who can blame him for that?

G.I. Joe vs. the Transformers
He helped reprogram the Transformer to be used as vehicles for Cobra. He also possible helped use Transformer technology in the development of the S.N.A.K.E.S.. Later, he was conscripted by the G.I. Joe and Autobots to reprogram the SPS Satellite.

G.I. Joe vs. the Transformers: Black Horizon
He works with Cobra-la to construct a signal to summon Unicron to Earth.