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.
- 14 appearances of Psycho-Helmet
- 3 minor appearances of Psycho-Helmet
- 3 images of Psycho-Helmet
- Gallery of Psycho-Helmet
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