Mentallo only had limited psychic abilities he had his friend the Fixer enhance his powers by creating the Psycho-Helmet. The special helmet also protected him against telepathic feedback, background noise and other telepaths.
- 15 appearance(s) of Psycho-Helmet
- 4 minor appearance(s) of Psycho-Helmet
- 3 image(s) of Psycho-Helmet
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